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 ₱3.9M contract to GKB BUILDERSCities
Transaction hash:
cb707686ea6a4d275beabf8ad98b83a7e00c25f972f17f3b76f63574caa5fdd2
Status:
Included and unchanged
Block:
#5,163 850 blocks after it
Position in block:
Transaction 291 of 364
Award day:
May 24, 2023 (3 yrs 5 mo ago)
To:
Value:
₱3,938,000.00
Project:
Installation of Various Streetlights at Brgy. Mamb
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 #5,163 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 2023-05-24.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 cb707686ea…a5fdd2now …
- 2. Block Merkle root changedstored 81e13b367b…c9a356now …
- 3. Block #5163 hash changedstored 3ba5e370d9…3d11a1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 363 records. Each step hashes the current value together with the sibling shown.
- leaf cb707686ea6a4d275beabf8ad98b83a7e00c25f972f17f3b76f63574caa5fdd2
- 01 L ca74ff61907dabe6001728ffa577d0945d655e7a68f3c36a3fb373b8d5d9382f
- 02 L 56e74628dcb7a797b365fe1de82875df2c2e1396313c47e3a2c54d352cdb6596
- 03 R 1697544824b916baa83f1fe82d67d9898afb4a269e4893309e15d9ae0f65e90a
- 04 R a24637c2eecfd42b0fe3d4a46b3768a90be247c5a364c98eb530f5981c5edb53
- 05 R 4b4a78836d2397be40b69697fd4990412987856111d9fc50d8b9380af2518938
- 06 L adacff992645db38b90fa47ae1561637cca10ff79507d4329869a0cd28d97c48
- 07 R fd46c580e30264728c6e7f095eafffeda627a20dadeaf1c276a743a62f73e7c6
- 08 R 2b8e80847a04f087ed5a5ab7d03925871f42739f1ac06ee7f911df28a1796f0a
- 09 L ea9b026e36a1b0f9759c1a3f7545319db85e8db6ef4fe4ea993bb792410439e7
- root 81e13b367bc98ff1f1f625dbd7b8ee63880260ee8d73e56d493d651968c9a356