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 ₱2.4M contract to 4 DOUBLERS TRADING & CONTRACTORCities
Transaction hash:
4832cccd7964b5c4c2d175dfe40665e257e74642bc4e114bde99f3377cbce429
Status:
Included and unchanged
Block:
#2,183 3,830 blocks after it
Position in block:
Transaction 48 of 174
Award day:
Sep 15, 2014 (12 yrs 1 mo ago)
From:
Value:
₱2,359,838.17
Project:
14-10015
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 #2,183 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 4 DOUBLERS TRADING & CONTRACTOR on 2014-09-15.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 4832cccd79…bce429now …
- 2. Block Merkle root changedstored a4717d7a7f…cac303now …
- 3. Block #2183 hash changedstored e988ebdb3b…68bb4fnow …
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 173 records. Each step hashes the current value together with the sibling shown.
- leaf 4832cccd7964b5c4c2d175dfe40665e257e74642bc4e114bde99f3377cbce429
- 01 R 491db428382befa5d8d0d8ab1e6097e398422ed6b83b669e3deb5d573f1f8a72
- 02 R c7b697cf93c8d5d8d79cfe6aeb0dcedf862d1f76b6acadd070f382ff44a6ab64
- 03 R 4fb1a7d634a99739180f161000b5a678fd7ef710160817ff9931e2bb8e502dec
- 04 R 5d27e75dacae51fb73c2e3cf3770aeaa8b87cf4446283e9545e97de876868778
- 05 L c75175f16701851afc3a913453b8850eed5010f11d79fff9ab9e340401882b2f
- 06 L 33765b05c23b59ec11d2efa755bc158f78138310cc498fc08a88826d86a9bf8b
- 07 R cd27ad0002586a9f78695f326cb8986610d2c317c78b2029152725855d2df761
- 08 R 536b7bcaf8eb83620828c1ff121b89bf9b33716274393c85f60d741bf6c67776
- root a4717d7a7f808a68b0c4a13689c7e786b0c2b42f772309ca946557c8facac303