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 ANTIPOLO, RIZAL Award a ₱1.8M contract to GKB BUILDERSCities
Transaction hash:
decf7a7c6ff67799b1e84ae682aa2db3d852659e9452d7e6b158b62045043237
Status:
Included and unchanged
Block:
#4,298 1,715 blocks after it
Position in block:
Transaction 108 of 130
Award day:
Dec 4, 2020 (5 yrs 11 mo ago)
To:
Value:
₱1,849,852.65
Project:
Repair / Improvement of Day Care Center and Multi-
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 #4,298 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 ANTIPOLO, RIZAL awarded it to GKB BUILDERS on 2020-12-04.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 City of Antipolo gave a "qualified" 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 decf7a7c6f…043237now …
- 2. Block Merkle root changedstored 1b96f906df…e5ca6cnow …
- 3. Block #4298 hash changedstored 7ccf3016d1…4c354fnow …
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 129 records. Each step hashes the current value together with the sibling shown.
- leaf decf7a7c6ff67799b1e84ae682aa2db3d852659e9452d7e6b158b62045043237
- 01 R df1814b29be617e4c120f4a3241f7981c87a4ad696d5fd4aa07877223c035d8c
- 02 R 14dcae0b326567b401dbfac8bef003b43544f4ac31768f21a8d442548b1c356f
- 03 L f0b22bfae04ade4866e454a9d57e7c49f666582561e27d02f81c71785c2a8292
- 04 L 19b05519bbff0d227690bd4bd03aa8cc0de0708c307b1f80e36727b8d487574e
- 05 R 8bbb16562eb46fb759eea01dd4f72fac6f297f506cf80d7bf9aaf0cd932656df
- 06 L db5f9fa9d68557a465b3187d1f2ddf10d1eacb1b91cd6a62ae6dd941b6cbb077
- 07 L c313439bb63bd1b7fad938c58d046ecac219bd121c12a98ab185b2c9209a5b4f
- 08 R 59f7fb8694e5fe4bb4accf7538cdf725e11c285bbe7fac7f8a7abfd0d8b320a2
- root 1b96f906df5113e9bcb33b0f07accf0fe8ba0860ec4baf2bab0ac9f44ee5ca6c