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 MAKATI Award a ₱14.8M contract to PERSAN CONSTRUCTION, INC.Cities
Transaction hash:
a99f59cdfe17ab9a094b7f3b304d8831fd2f768ab086626d86e45bbc3dc8dcfb
Status:
Included and unchanged
Block:
#5,655 358 blocks after it
Position in block:
Transaction 192 of 307
Award day:
Oct 18, 2024 (2 yrs ago)
From:
Value:
₱14,762,535.04
Project:
Proposed Road Improvement of Madras Street Located
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 #5,655 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 MAKATI awarded it to PERSAN CONSTRUCTION, INC. on 2024-10-18.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 Makati 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 a99f59cdfe…c8dcfbnow …
- 2. Block Merkle root changedstored 280a3f2daa…68c546now …
- 3. Block #5655 hash changedstored ac3f073da2…f0574bnow …
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 306 records. Each step hashes the current value together with the sibling shown.
- leaf a99f59cdfe17ab9a094b7f3b304d8831fd2f768ab086626d86e45bbc3dc8dcfb
- 01 R aa2f9262550cb1debf1d5eb057acc4225b65914358dc336f6ea5c2c5111f28b7
- 02 R 27f72bd771e8e627479239a8deb52eb26e121b10d85cd75ab90aca5c747f0aa2
- 03 R a77784fd5e6e747cde2ef6bd44ad250790ef892bd532871f5bc86900a498e0de
- 04 R b6534d9c21ccb2874c0ea9161f826154f762de609257fd197dbca51f400701f7
- 05 R 64f882b634950da5f8df80dccc49bc647d700bd0a002e358577419e59a68d832
- 06 R 12bb17cb5c348b59ea7797d34076a8b760220a72115083fcbebf7c235936f199
- 07 L 1544df075d5b87015cfe29ff14f0f0243976d3a4b36adc0ee2adff4dbdd48557
- 08 L 65b0f80a0e79919bb861d4b474dea0ec440d5bf1efa869f57ab7c5db98c4b914
- 09 R 9672090c6d51d18bf2edfdfef9c2d5de91934b135bf6846ebaa9f3dfa8db9ba9
- root 280a3f2daa54a8201c8ac931db59c0ebad9da869ecfce805dc9d22fb3768c546