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 ₱900.0K contract to 4 DOUBLERS TRADING & CONTRACTORCities
Transaction hash:
b9c72ec540dc6d9bd1ff3cb77b8faf71ca437eb217d80e089d6ad7f68a6b3782
Status:
Included and unchanged
Block:
#2,091 3,922 blocks after it
Position in block:
Transaction 119 of 165
Award day:
Jun 2, 2014 (12 yrs 5 mo ago)
From:
Value:
₱900,000.00
Project:
14-5006
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 #2,091 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 2014-06-02.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 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 b9c72ec540…6b3782now …
- 2. Block Merkle root changedstored f24f7d0b27…045478now …
- 3. Block #2091 hash changedstored f2d9e2b494…c9e626now …
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 164 records. Each step hashes the current value together with the sibling shown.
- leaf b9c72ec540dc6d9bd1ff3cb77b8faf71ca437eb217d80e089d6ad7f68a6b3782
- 01 L b9bd2663707e7aee1097b29be69fdf3b0f6e4c2d9ba7bc150b96b53fc33c094a
- 02 L 13f857f43e352d35c16aca2d3263feb5e7c34377019bc82d1a62ad552b7f363e
- 03 L 695956dfb98f1699fb3dbd95ffb9a4f40b442a13e2224c10f8df9f383d5ccdd7
- 04 R 1aa5cbe83f5652c7773c3253f32fde1c9b141888eb9b61d23c636287ff369229
- 05 L 2f38b2dbcafb26110cbf1d6edb34c9e39358107ac38264e644ae46d6b858ea50
- 06 L 204509409de66942832fd6810817b486edf516ea876b68b9278163f591bcec7f
- 07 L 2a06909ef1197ff68b3767ea8ea808fcb07c742cf0b94013e4a412b1fe47b2be
- 08 R 40e9f3ad05c0e6b920613b5c88ad3251f5c6a0319e83cbf0a0c4383f6e135cce
- root f24f7d0b27c179468caacc0a261cc537c7d4886a89625f97b297162764045478