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 BATANGAS Award a ₱998.0K contract to REE CONSTRUCTIONProvinces
Transaction hash:
71ba2f9bef1f5582dc97d2635142b14d12fae08df065370aa8a604ec51d6e594
Status:
Included and unchanged
Block:
#4,708 1,305 blocks after it
Position in block:
Transaction 266 of 603
Award day:
Feb 2, 2022 (4 yrs 9 mo ago)
From:
Value:
₱998,000.00
Project:
Civil Works
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 #4,708 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 BATANGAS awarded it to REE CONSTRUCTION on 2022-02-02.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 Batangas 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 71ba2f9bef…d6e594now …
- 2. Block Merkle root changedstored b44025e81d…f2fd21now …
- 3. Block #4708 hash changedstored 3ed92e1ff6…72222fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 602 records. Each step hashes the current value together with the sibling shown.
- leaf 71ba2f9bef1f5582dc97d2635142b14d12fae08df065370aa8a604ec51d6e594
- 01 R 71e434cf2124711ae98210c5a5f0aeb7bb4b4b4e6716266ab9d23999db107020
- 02 L 6b3c074f2bfe73e65868de850a51676c84865c94d35b0acd033dab9d9c56e467
- 03 R 65e04831424582faaadd61cd2871fcc391e2a1a9251620caa6b5de9b68313bc0
- 04 L 8fce05e223ebd590a32acb8bcc9bf9aa8aa47fff1392f1a9d92d9b81881a84a9
- 05 R a9e870963034469e02e357ef26700f0d8e562b636664bfeb8bfc4bf8605ceefe
- 06 R 7fda1577a6acffa2bf5d7a6bdbe2feb62080c27e376fbdf60c94b631669ef398
- 07 R 5bc004095723c8a1793eaef780ddb2ecab91129fe1b48dd4f07506d739ff7986
- 08 R a1f3e663197ef0fa854db42816e26526e2b704e9ff07e17f121c530b6ec6bcb4
- 09 L 6663d970da11f25f9acfbb3533ab5731130ee2462fc8613fc8acb60f4c34d051
- 10 R 34fe15f333d9d3f431db6e296b093896a6aef5f3f13008f9333b05789e9c54d3
- root b44025e81dd1a415c106e3f1687ce00f5a08cc4b533eb968f6a9772f4ff2fd21