DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
MUNICIPALITY OF BINANGONAN, RIZAL Award a ₱1.5M contract to MONTEGA CONSTRUCTION OPCMunicipalities
Transaction hash:
da0f49e7c2bd6a4e40d543fdef29dc8d901cda3ce2ddf0abaf9d323cd0bdb792
Status:
Included and unchanged
Block:
#5,979 34 blocks after it
Position in block:
Transaction 862 of 996
Award day:
Oct 3, 2025 (1 yr 1 mo ago)
Value:
₱1,486,723.75
Project:
Improvement of Multipurpose Building
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,979 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF BINANGONAN, RIZAL awarded it to MONTEGA CONSTRUCTION OPC on 2025-10-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Binangonan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored da0f49e7c2…bdb792now …
- 2. Block Merkle root changedstored 2b91e8b219…958b76now …
- 3. Block #5979 hash changedstored 20c952263e…4c9daanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 995 records. Each step hashes the current value together with the sibling shown.
- leaf da0f49e7c2bd6a4e40d543fdef29dc8d901cda3ce2ddf0abaf9d323cd0bdb792
- 01 R da5775f8db63e273fcbc664c1933d02c6d46602165389aac1bd2449c85f1f502
- 02 L 18ce6a069f2c23ae3c7778ac9b248d6a92495b194e9fe736249634db569f373c
- 03 L af7083afededec7326b4546af87daec065be3852ac89a2a867c50fe9befc733b
- 04 L 5ea10351df5ef94074e3e11ccaf13a769442e14e091dea8ce6460caec48cb861
- 05 L c34d99b9778d90b503bf9bb9ad222564fd24ac1d6fc18946acc392cbdfb4f3f0
- 06 R a19cf477f63884dd0ac0f640974cf1efcf192670c7581051e22956d3693e0948
- 07 L d0fd0f0063b7d12211e1ecfb72d988928804e8e9cfbc2f203615d38b7489543c
- 08 R 630fe4dda9b6765929ca7170169be1667362cd5672a944fb6dd5ec041d5ba403
- 09 L 3d7f22466a0d310950c644902009dcc4119de5b2b7d7ac3d845f35c1855be636
- 10 L bb331ee9ef5dcf25395c1806c825046e5f33d637c4f8ef7be76707161cf2ec4d
- root 2b91e8b2190ffcec8415576a83837688fb655e77d8d6acddebcc8c7b17958b76