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 CAGDIANAO, DINAGAT ISLAND Award a ₱686.4K contract to CTB ENGINEERING CONSTRUCTIONMunicipalities
Transaction hash:
e4cdf70452edca679ba23f409df643997b85aaae9b684bf0baf129b9d5f8b12f
Status:
Included and unchanged
Block:
#1,486 4,527 blocks after it
Position in block:
Transaction 60 of 70
Award day:
Jun 21, 2012 (14 yrs 4 mo ago)
Value:
₱686,449.38
Project:
CONCRETING OF CABONGBONGAN STREET (PHASE 1)
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 #1,486 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 CAGDIANAO, DINAGAT ISLAND awarded it to CTB ENGINEERING CONSTRUCTION on 2012-06-21.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 Cagdianao 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 e4cdf70452…f8b12fnow …
- 2. Block Merkle root changedstored 8b0c7902b1…9a3768now …
- 3. Block #1486 hash changedstored 7a05dacc1f…85f342now …
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 69 records. Each step hashes the current value together with the sibling shown.
- leaf e4cdf70452edca679ba23f409df643997b85aaae9b684bf0baf129b9d5f8b12f
- 01 R ea169e2da0219d4b2ae2d0ecffc5e58e157127dcf50dd7849ce1458ed2ad6486
- 02 R a42ba30907b8b9ab6d84d1bae3b5ba59361c52b124371318ad794c316facf34f
- 03 L 1503e1f2387be56669bbe1de5bae022f8a56ebc8e764ec03a16f9913a1a210db
- 04 L 4ed3d0518763973a9e58e09e63c3d3b5bec98eaf95340e0955401e9073e0e120
- 05 L 057e7ab74cfa69aa5338c11a349958b92be18af7a5ae63a6388e3412d96bc6c1
- 06 L 0d4dc4279e9226d28c0c59ff4bf1e386bdcfb5bd9cc9c5090e8c75a141eebaf0
- 07 R ce0373d5c23c34df8b740a8a3571fbc09636f5200039676b768bbdd1eaf83897
- root 8b0c7902b1e411769aaff56594ba853ffd0d5daaf067193c4db8b3a5699a3768