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 MAKATI Award a ₱10.1M contract to M.C. PEN ENTERPRISES & CONSTRUCTIONCities
Transaction hash:
2ee4557dc154ca385fa9e56adbd6d8cee75a413e3de089c958eba58d3cf3f152
Status:
Included and unchanged
Block:
#4,378 1,635 blocks after it
Position in block:
Transaction 49 of 245
Award day:
Mar 2, 2021 (5 yrs 8 mo ago)
From:
Value:
₱10,142,243.69
Project:
Installation of Streetlight Along Tripa De Gallina
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 #4,378 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 MAKATI awarded it to M.C. PEN ENTERPRISES & CONSTRUCTION on 2021-03-02.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 Makati 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 2ee4557dc1…f3f152now …
- 2. Block Merkle root changedstored c5f7491247…2554e5now …
- 3. Block #4378 hash changedstored c6d0538f5e…f4ab4anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 244 records. Each step hashes the current value together with the sibling shown.
- leaf 2ee4557dc154ca385fa9e56adbd6d8cee75a413e3de089c958eba58d3cf3f152
- 01 L 2d7cb7a9670ca61be8c00a3e99d9ec82680abef2d73f7482c59f5216b6fe768c
- 02 R 85bf55711eb7eebfc9fd81e0a3f44e255c86a833d727cdd8e913cd528e3fef09
- 03 R f086455459112365bce72c12d1160e44da3c5ef56fee7a367d9c3e5231d39d0d
- 04 R 9f283dd7693a7d0280c7949c4a07ab77cf47bbbfa52e903a4b30ff5a9b8ab3eb
- 05 L 1cefaa231b9f4c8175f9686e2b86e3975eb7d176c5ba557830a1d5fbdbfd2ed4
- 06 L 5b19b3ba34ab900b192f30b8d98f17bca77d89535388f212de4cb3538e38e233
- 07 R 5bf9219a6073edb2638a8a6085c2db2a413f40918394507784a482d63c4eed4c
- 08 R 16ab30ea9a5b312bb88446916bce82c4e01404402fb8533834e6a267215cdaec
- root c5f74912474eaea5b357896afd8bfce6c21c078badaeb3fba25e0ddb942554e5