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
MUNICIPALITY OF GUMACA, QUEZON Award a ₱3.9M contract to ADAD ENGINEERING SERVICES AND SUPPLYMunicipalities
Transaction hash:
d79ebdd1e9d3f20d453c8d375deb699082567d275b419fa2dca31a933af35240
Status:
Included and unchanged
Block:
#1,533 4,480 blocks after it
Position in block:
Transaction 52 of 65
Award day:
Aug 14, 2012 (14 yrs 2 mo ago)
Value:
₱3,897,278.07
Project:
Construction of Farm to Market Road with Storm Drainage
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 #1,533 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)MUNICIPALITY OF GUMACA, QUEZON awarded it to ADAD ENGINEERING SERVICES AND SUPPLY on 2012-08-14.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 d79ebdd1e9…f35240now …
- 2. Block Merkle root changedstored b44f3df7ed…aba26fnow …
- 3. Block #1533 hash changedstored e220e16895…498eacnow …
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 64 records. Each step hashes the current value together with the sibling shown.
- leaf d79ebdd1e9d3f20d453c8d375deb699082567d275b419fa2dca31a933af35240
- 01 R da2a9144c475e286daa8bdb733c026dae2d19a36c1da5a4f28c695f9cd876154
- 02 R 5ce5975ab280d131481a41c881185650d88a73bcfee6b27bdeaa8ed04d995241
- 03 L b01a7ea9fa00636944f73c533031eadd1a1db80b401a8b642ae057da37d0bd4f
- 04 R 4b626f02a27e103f60f243a304c53b114e4067e67bcf708beed82180c522ac2b
- 05 L 1de35354f2489e643c5281519caf97b2dcf8175f8b1e5d1a34204fc8094c42db
- 06 L 968231612101140f49300f402b2e2d299d6f2a9c32dfd378c1adf76b928e5d9b
- 07 R ad99ae5a3477f606505d1d5392d1cf4cfe832068e4b939832940991fc9c2f196
- root b44f3df7eda9ce704251b39d021280e3ebafbdf6d86b0ea6ec9945f3e5aba26f