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 GUMACA, QUEZON Award a ₱3.9M contract to JANMING CONSTRUCTION & SUPPLIESCities
Transaction hash:
eb033771004479d4921acaa97f635cb5917982d3759af8e2684ad5840457a6e1
Status:
Included and unchanged
Block:
#1,455 4,558 blocks after it
Position in block:
Transaction 81 of 87
Award day:
May 17, 2012 (14 yrs 5 mo ago)
Value:
₱3,917,700.82
Project:
Construction of Diversion Dam
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 #1,455 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 GUMACA, QUEZON awarded it to JANMING CONSTRUCTION & SUPPLIES on 2012-05-17.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 Gumaca 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 eb03377100…57a6e1now …
- 2. Block Merkle root changedstored 590cbad2cf…cf9305now …
- 3. Block #1455 hash changedstored eba4bf5874…7cbdf5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 86 records. Each step hashes the current value together with the sibling shown.
- leaf eb033771004479d4921acaa97f635cb5917982d3759af8e2684ad5840457a6e1
- 01 L eae124ac8648b20d16f2cb9dbc092979cf4b80d009adcae5faafab84ae38f370
- 02 R 14f1fc037d3c0a4fadaf43858b0336efd69c55dbee451f8b119c3f4ad3c5e166
- 03 R b248801bea45eb1b667e1d5ff86995870cfb0362c57070f59a76f95964180cfc
- 04 R 751d1f38f550b5814ff47fffd720ca5239479937097dd5e168e37867f37fe519
- 05 L 30223b68a9739e4183342a642e08585244c37e582f7ef99b2168494cba9623e3
- 06 R 87b05d21af3cd6eb627a9ca23ec1f1984d9cad83cc145acaa588c6695028168d
- 07 L e8aa3197d030f8028d9d16df63887ffac1030b48c023abda6e9e47fc3bd388b3
- root 590cbad2cfababd3d26913168cd9cea959cfb80def6132437649aefd8acf9305