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
CITY OF LAS PIÑAS Award a ₱13.9M contract to MANGELESE CONSTRUCTION CORPORATIONCities
Transaction hash:
1d2fbd6d17f53aa1abbe1069f6a10f20198f38d06a17d76eea77023c33844eb8
Status:
Included and unchanged
Block:
#5,144 869 blocks after it
Position in block:
Transaction 43 of 413
Award day:
May 5, 2023 (3 yrs 6 mo ago)
From:
Value:
₱13,944,327.00
Project:
Repair & Rehab of Roads & Drainage System
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 #5,144 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)CITY OF LAS PIÑAS awarded it to MANGELESE CONSTRUCTION CORPORATION on 2023-05-05.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 Las Piñas 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 1d2fbd6d17…844eb8now …
- 2. Block Merkle root changedstored 96b8e0c07d…2bc988now …
- 3. Block #5144 hash changedstored 2e809f96d8…0555bfnow …
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 412 records. Each step hashes the current value together with the sibling shown.
- leaf 1d2fbd6d17f53aa1abbe1069f6a10f20198f38d06a17d76eea77023c33844eb8
- 01 L 1cb353a14dd62f17b4f1793060afcf3e5fec234b100d76d5647f3e2fedfd0422
- 02 L d26577d76ecbdc3136c8264d978368a5496e7130a2bd825044f1faf8a0437541
- 03 R 477caf8f23147d4c4c7c3ae45fd54be293d407c3c5a07a26defbe73d5c05ecf4
- 04 L c3dfe42c1c2a39b95aa3d0253b7e2de255e158f0dfd5c71e3e2ab84770a8c816
- 05 R 13e5a582d5abf988bd249abf8860a9ba57e3c070c446896732f943aa3cb988f7
- 06 L c8e4de0e743fc1c7482b69ffba100e0ee691e1c5b8e6f6e1a720e04543af3cc9
- 07 R 9a45addd462d21bce927519d2e8d662916d6d8e5dd1f55af9e398309d8eabd76
- 08 R abf13d041f06d3e64a0db0ac92f68f912636a69fb36c6abd818ac8258cd22ced
- 09 R d92d9515e1e47e2a2280e42e3ece8be7c4b10a00fc522a6297e81ada7a855be7
- root 96b8e0c07d6ceeba59b27d978789f6b335fa3df6a33e605ee38fac29212bc988