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
COTABATO CITY STATE POLYTECHNIC COLLEGE Award a ₱3.4M contract to KLD ENGINEERING CONSTRUCTIONCities
Transaction hash:
ad4c19fee146e335e54f600ece6bfc35674d1fe06c91600ef48a63891ea51973
Status:
Included and unchanged
Block:
#3,236 2,777 blocks after it
Position in block:
Transaction 206 of 290
Award day:
Nov 3, 2017 (9 yrs ago)
Value:
₱3,370,175.67
Project:
Infrastructure - Student Center
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 #3,236 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)COTABATO CITY STATE POLYTECHNIC COLLEGE awarded it to KLD ENGINEERING CONSTRUCTION on 2017-11-03.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 City of Cotabato 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 ad4c19fee1…a51973now …
- 2. Block Merkle root changedstored 2ab7a6dcdf…fd9443now …
- 3. Block #3236 hash changedstored f9165e2986…68bc3fnow …
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 289 records. Each step hashes the current value together with the sibling shown.
- leaf ad4c19fee146e335e54f600ece6bfc35674d1fe06c91600ef48a63891ea51973
- 01 R af24c0c81e7a3571e7487b2097f4f84279846779f595ef3a5ec728fbfc7aedc9
- 02 L a95915e79c7455ca81731e532f3c69a022e3136228a1be261239b9d8ca689a30
- 03 L 73d33f1d0b52d63b72398788c6c453a9a7af2a419a306ad3abe26d20e06713b1
- 04 L 2ae14122d3a1bb02eb06883bcdfc772005a45f4433508ac488f29e68b5a0f4cc
- 05 R 714a3845e0fb166923b0641da7a0a7c2791d4d1a22f16d7ee7a05646a08b7588
- 06 R 0d48178cfed275ae49e85872426550bd6c6e4aa08862f8f95f2d11a63aa98521
- 07 L d4a385205b6105c56f2218e738befa25928271d7dc2915fa147612539df92d3c
- 08 L 25b70ccf85f0ea2c092bccf5f4f53f9865eea290e7c386df631fee8dbfba23c1
- 09 R c3a533794e5c63e5c7aa09755bc478bea5b6aa5973f56f268ffb709f3d921738
- root 2ab7a6dcdf512da13ec07a8fe02ac709eee4d29522b764cbc26a91570efd9443