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 ₱487.4K contract to 1C4M BUILDERS INCCities
Transaction hash:
42002e4e9f6b18266ae85ee382ea92758bffc1faf49f3aa493ea4ccfe970deb2
Status:
Included and unchanged
Block:
#4,536 1,477 blocks after it
Position in block:
Transaction 47 of 200
Award day:
Aug 12, 2021 (5 yrs 3 mo ago)
Value:
₱487,435.00
Project:
Improvement of Waiting Shed at Sta. Cruz Elementar
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 #4,536 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 1C4M BUILDERS INC on 2021-08-12.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 42002e4e9f…70deb2now …
- 2. Block Merkle root changedstored 39fd2c8a83…8d797fnow …
- 3. Block #4536 hash changedstored ac12eb3407…e5f9c0now …
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 199 records. Each step hashes the current value together with the sibling shown.
- leaf 42002e4e9f6b18266ae85ee382ea92758bffc1faf49f3aa493ea4ccfe970deb2
- 01 L 411b71ee0629078943f74d1d3edec18b761dee3d5362dab7ad7c85dd9fdc3a1b
- 02 L 9c9d8e354c6010d76ea8cafa5997dd92dd53d5d442a8f333e7d433d6ba9304fa
- 03 L 3c34d583b6b89e0607c5705c6393a0068449e1927fc2536465e2323c05fbdd11
- 04 L 28ec0fdb74b8c6e0976fa31350aa272c386ac3905654ab17f9a5d02443825131
- 05 R 13def87729c6636ac4b57b9e3ebd0a3c94a32853a2012bd7bb93f0fce5d48855
- 06 L a0bd1fdca2b16917f3a01286344f6b024258dc77f0c0620316c5ed7355406dd6
- 07 R 5b6019c6ea520e7eaa6cd3ec280da91ace48de1fc0126e266eaf6dc7dff75337
- 08 R 86687e89628132fbba53e06f88f59c6f7ae8249278b9f04aa9279483d72536f8
- root 39fd2c8a83a1a500c0e1f37c3b7ef17f612096ca4cada00a644a2d67038d797f