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 QUEZON Award a ₱1.2M contract to MJCD TRADING & CONSTRUCTIONCities
Transaction hash:
e29156d117e994f045bdbf2fd79f874538e1c59ec7bd9885218ee420b4bb9aac
Status:
Included and unchanged
Block:
#1,397 4,616 blocks after it
Position in block:
Transaction 83 of 98
Award day:
Mar 8, 2012 (14 yrs 8 mo ago)
From:
Value:
₱1,225,643.06
Project:
50010
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 #1,397 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 QUEZON awarded it to MJCD TRADING & CONSTRUCTION on 2012-03-08.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 Quezon City 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 e29156d117…bb9aacnow …
- 2. Block Merkle root changedstored 28c8142461…e36dd1now …
- 3. Block #1397 hash changedstored 02e91f6aaa…776b0fnow …
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 97 records. Each step hashes the current value together with the sibling shown.
- leaf e29156d117e994f045bdbf2fd79f874538e1c59ec7bd9885218ee420b4bb9aac
- 01 L e1966bffb7a8ca62e9381d8047fff8d80757d0dc007ef17e337fa5e218ab79de
- 02 L df09e0fa803a1b40a2087019aa613e1e1e1fbe0fe46bf2aedbd0595369dfc217
- 03 R 954340799c3fc1e873f1333d4e1aeefafa05f0f0130656d758e83115751319d5
- 04 R 41a9acf0cb460247509784dc43ad529c16f75511f629aafaa2d90e76b3057723
- 05 L babf0010d8b6a2cdae866479ecef26162fdef9515d3ad821fcd778a458c24122
- 06 R 43b44aa9651b64e9e691dda6da79d373a5c9740deb39e841034ec6f7fb3da472
- 07 L d0c6eb5d6ba5bba07121df7b6a9e20e8aed0ee49c69740908ac2ce3a4a3dc385
- root 28c8142461ba33bf0973062554bf386304565e5f796fdf0cd181951937e36dd1