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 CERVANTES, ILOCOS SUR Award a ₱3.0M contract to CZMAC CONSTRUCTION SERVICESMunicipalities
Transaction hash:
42e4091673d6068da507201d7a55c40b939e3a2705119528be60642e80703f1b
Status:
Included and unchanged
Block:
#4,750 1,263 blocks after it
Position in block:
Transaction 270 of 1,061
Award day:
Mar 18, 2022 (4 yrs 7 mo ago)
Value:
₱2,998,498.85
Project:
Construction of Bridge at Payke
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 #4,750 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 CERVANTES, ILOCOS SUR awarded it to CZMAC CONSTRUCTION SERVICES on 2022-03-18.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 Cervantes gave a "unmodified" 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 42e4091673…703f1bnow …
- 2. Block Merkle root changedstored 8d0e79a087…d0bb51now …
- 3. Block #4750 hash changedstored 9787b2a173…350aa3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,060 records. Each step hashes the current value together with the sibling shown.
- leaf 42e4091673d6068da507201d7a55c40b939e3a2705119528be60642e80703f1b
- 01 R 433310864a0b082bc23fcc74090355746d645a74f092923bc3c55c85a5aee3d4
- 02 L 2fe7bfe52e67ac30472b040733d4b29ead0a5ce8e0ddadfab27a793f0ba00ee6
- 03 L c1d08fbea5e963ed40e75c9f54bcf3fadab904493873bfdbe08fb6e8c12be611
- 04 L cf6991516de4d80d4ac632b2941927bec0a50a8cb26c6cf15c7ea60422e1aeb7
- 05 R 003c2763a4dfd4d393907a1b991c397d5189df820523d92de25b04062188daf3
- 06 R 89881e67a5acc8bcbc5512e2a0349a6abc12a0c8499105c8a07b40c9626927a6
- 07 R d1dc0a97bef9310a725ee643bc1f0c2915eefecfac1f096bd8c298ba634a012c
- 08 R 91f34ab04ca9a8c1efd731f96b08f18878f06d51eccbf8843248e7aa03143426
- 09 L 0e6282f2c255e3a69df387fb3438e93f695609f4dfc68973ba777b817265bcba
- 10 R f3531867551a15b5f8b57e06ede565523ef147e73d5aca2e2e430cdc9f9f9f22
- 11 R fc68fe2395e70e525a605c9c692b3ca2b48448d1aacf32c7e05715148fbf827f
- root 8d0e79a0874a46f41910b5d1f5c4b9578dba532a18e7f2a49d49a01703d0bb51