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 PUBLIC WORKS AND HIGHWAYS - DAVAO OCCIDENTAL D Award a ₱1.8M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
0cfd3b8aba597045b9f3ca7e501266d25d1f250b45c9a01eeaa7ace9230cc98d
Status:
Included and unchanged
Block:
#4,189 1,824 blocks after it
Position in block:
Transaction 7 of 216
Award day:
Aug 11, 2020 (6 yrs 3 mo ago)
Value:
₱1,845,928.73
Project:
CID No. 20LE0128 – Installation of Guardrails alon
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 #4,189 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 PUBLIC WORKS AND HIGHWAYS - DAVAO OCCIDENTAL D awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2020-08-11.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 0cfd3b8aba…0cc98dnow …
- 2. Block Merkle root changedstored 11e240cd65…8f9620now …
- 3. Block #4189 hash changedstored 040e78ce6e…720e3bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 215 records. Each step hashes the current value together with the sibling shown.
- leaf 0cfd3b8aba597045b9f3ca7e501266d25d1f250b45c9a01eeaa7ace9230cc98d
- 01 L 0aebdd078277c52d73679c33e386e09003397f322b5c55d800c60e08e8402a48
- 02 L 59bd99f36a94061dce20e29b5fd45c5c29da4a05a555bbe1d168fffa0571cc20
- 03 L e5b6fab87d2f78c869c6ddeb0ace5fdcb3f77e65fa266dda2be983cfe94f2c1d
- 04 R 47b3146098270448c28a511e095fd415f315e2f5bba170c4cdc42a3e222334e9
- 05 R 1a8f65f8756e9c14b95c83a23be2f57a0ae2d734ffb73bee3f47049eb66eb7df
- 06 R 23abd0cecd41e2455872dbee608de648a54334f2856f3ab4375c05723a677e35
- 07 R 3a02af2717189e038efc15638f97620853b706785b69b687059d6e0d697c3a70
- 08 R ab5e7d50e3a5491c1db37e313b710f73c639b6df0fc60a755c8e0070a504bd31
- root 11e240cd65b3d666f82bdecc74b810c7122c46ebd0055753d3883655b18f9620