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
DEPARTMENT OF ENVIRONMENT AND NATURAL RES. - PENRO, SO. COTA Award a ₱2.0M contract to DUMALAG SURVEYING & ENGINEERING SERVICESNational agencies
Transaction hash:
f6c9b02b0e0fbc8000676b4e9eeae7ff0220d263f941c7043d6ba9e787b9d5c2
Status:
Included and unchanged
Block:
#5,717 296 blocks after it
Position in block:
Transaction 455 of 473
Award day:
Dec 20, 2024 (1 yr 10 mo ago)
Value:
₱1,972,904.30
Project:
INFRASTRUCTURE PROJECT
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 #5,717 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)DEPARTMENT OF ENVIRONMENT AND NATURAL RES. - PENRO, SO. COTA awarded it to DUMALAG SURVEYING & ENGINEERING SERVICES on 2024-12-20.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 f6c9b02b0e…b9d5c2now …
- 2. Block Merkle root changedstored fdec1edee5…864e28now …
- 3. Block #5717 hash changedstored b4a9d0d617…315d72now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 472 records. Each step hashes the current value together with the sibling shown.
- leaf f6c9b02b0e0fbc8000676b4e9eeae7ff0220d263f941c7043d6ba9e787b9d5c2
- 01 L f568a749efadad0bb2aa619efeacef5c40e43c1ab5166688cb8c2d94298d7123
- 02 L a505c0363c146551158b1ea8e593401129bfc8697fad3de700ba2a3f50ffd475
- 03 L 49deaffb547f86da20d04c582065d1e17156eabf33077387c8ae528cd77e539b
- 04 R 996a7e439a6efcc7002b2377fe2ca5d027d373b700e0ae9c30c30cb2d08e47c1
- 05 R b04d32a5e691a379d1f60b0b77bbf29308f24be4cf0e2b808bdf2c2ee32701cc
- 06 R e864e0e7a1046536eabdde6e4e7d11d99b54d39282bdc5ffbc82d1201a0ba3e1
- 07 L cc497b8e8db318a73b381f94ba70e274500ce7d387e69ada63f57cb12ac6a374
- 08 L 870d68592c38ae68f12292113cf0654a8db6993dde538f87d7490cfc1de642c3
- 09 L 0ec6d507d78da76e32a2c225a7511a4fff443941989750ed20ea833d65391e9a
- root fdec1edee58f52e4b4091c255c8cd054311d89ac28f404bfebc11616f9864e28