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
PROVINCE OF RIZAL Award a ₱790.3K contract to AHA CONSTRUCTION AND BUILDERSProvinces
Transaction hash:
ed7974aa1edbc6bb283eb0127da231d2480d4ba0aef30789faa09440acb3c636
Status:
Included and unchanged
Block:
#1,674 4,339 blocks after it
Position in block:
Transaction 144 of 159
Award day:
Feb 7, 2013 (13 yrs 9 mo ago)
From:
Value:
₱790,304.50
Project:
Conc. (portion) of Ynares St., Brgy. Del Remedio,
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 #1,674 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)PROVINCE OF RIZAL awarded it to AHA CONSTRUCTION AND BUILDERS on 2013-02-07.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 Rizal gave a "not stated" 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 ed7974aa1e…b3c636now …
- 2. Block Merkle root changedstored 15e338b568…ba33b6now …
- 3. Block #1674 hash changedstored 7f560f41a5…45c5ecnow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf ed7974aa1edbc6bb283eb0127da231d2480d4ba0aef30789faa09440acb3c636
- 01 R ee079ccb28e599345a26444feaae524bd8ec53e706dabe40d4e587a97332f175
- 02 R 07b0ba5684bb9cb28b5391190c9f7888a4d539de713f1e222b6341cd9c7e494a
- 03 R 0928c092a7e707c4cdd893b58183958681ed31f7963c5583bfd157380182f6a7
- 04 R 0edb819199cf9578839f281d311124882fb863ae1e7cca61243412cd3767306a
- 05 L dda5730d00d1d8d9bf1555e286cd77a4710928ac96f78d04187aba2fceeb6b19
- 06 R fb49c568a6feac44fa4541a1fb4823f57a0499e53b1442b659fa5afaeed1f517
- 07 R feb9df5db3ab2ddbbc13f7cfac04a1b0c344bf84533e0805cda2ee7e270511d6
- 08 L 80e4b7d3899d8b4fbcb0e4cffbef105bc4465c650165eeb1dc5a1be7385efe26
- root 15e338b568f3d68a435b17652561b21f730df4d36b0144e445073a6636ba33b6