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 DAVAO DEL NORTE Award a ₱914.0K contract to JJR CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
66e2d8ba7d6981bee69dadbc4f0fee92d474013f6486e34ab4e90a17241a37a9
Status:
Included and unchanged
Block:
#4,220 1,793 blocks after it
Position in block:
Transaction 67 of 166
Award day:
Sep 11, 2020 (6 yrs 2 mo ago)
Value:
₱913,968.41
Project:
B20200252/2005-3185
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 #4,220 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 DAVAO DEL NORTE awarded it to JJR CONSTRUCTION AND SUPPLY on 2020-09-11.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 Davao del Norte 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 66e2d8ba7d…1a37a9now …
- 2. Block Merkle root changedstored 3b3ef7f2f0…555422now …
- 3. Block #4220 hash changedstored e448973374…b62a9bnow …
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 165 records. Each step hashes the current value together with the sibling shown.
- leaf 66e2d8ba7d6981bee69dadbc4f0fee92d474013f6486e34ab4e90a17241a37a9
- 01 L 6640dd3b0e3412faf35a6192d49cb75498ee4a07f391cdb7452318d443440ee7
- 02 L 76f813737a4f025ebfba6506cf1ed5c01d44aaf25c49329d282b3951f2001a75
- 03 R 9cc8bd0ed5ec1b3bf3e0c998218d0fc225431f8347eff917ff976fdc739ae40c
- 04 R e7b2e95720a48e0996579631bda0a50ba3b6023a9a0601bc1f121e12660c91ca
- 05 R 60a4c8d7dd75d6669e101289cb71c500e9a6b0fdea23b3166ae8718e7340e9b3
- 06 R 8974ac0796fd6715dfa8fe385c9418d7b7cd9471d018e34d6e18f5ba48194515
- 07 L b4654f8a108a8b550dd8f4c90c894de988a43a77ded47b5c9e8c1400ca174507
- 08 R 2552e26aba66bb45a76162b520e8ef3612005fd951cbfdacf6cda54f472579ab
- root 3b3ef7f2f0a12e0293c51c80b8e1459549ee95f2c130ad832a7d34f524555422