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 ₱197.5K contract to POLO ENGINEERING AND CONSTRUCTIONMunicipalities
Transaction hash:
6d4347d18faebb3e424df0d6862d13566694b088a6121760f68c245c6aa7f744
Status:
Included and unchanged
Block:
#2,003 4,010 blocks after it
Position in block:
Transaction 33 of 65
Award day:
Feb 18, 2014 (12 yrs 8 mo ago)
Value:
₱197,459.46
Project:
Construction of Brgy. Hall Phase I Sitio Namita
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 #2,003 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 POLO ENGINEERING AND CONSTRUCTION on 2014-02-18.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 6d4347d18f…a7f744now …
- 2. Block Merkle root changedstored e86ac1abc7…c5518fnow …
- 3. Block #2003 hash changedstored dc881cd2b6…bc7dc4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 64 records. Each step hashes the current value together with the sibling shown.
- leaf 6d4347d18faebb3e424df0d6862d13566694b088a6121760f68c245c6aa7f744
- 01 L 6b963dbb49e723bdd48d0ec6345b599a0ab74927b400e6da00bc4d7f4a921199
- 02 R 72a34077043aa0961a26219a26ad0577c224785f78cfd9c599600a7248e13539
- 03 R e7d31b650c9ece7daeb0f98d3b10faa769c3edc68a0863e375dc745d5559a745
- 04 R c8379cc93a9430c9878d4d9431935e53b0e36823e9ec11036702f10854ee8801
- 05 R d34a91f6b48c3bac6336f15b00d3ec9f01efad8952989b0e8e55ebb205aa41aa
- 06 L c0d3a7616a7022669025f3831ed86b7312b83aeec45bc9d2fe539bb1b090ec62
- 07 R c6e67708dcf7ce652671d4083729f3a51f60f5a3e50d1b6612c368c2f7e9d48f
- root e86ac1abc73342cfbdbebb8adaf50e42442c4180bd04177ecad9d38e9cc5518f