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 ₱15.4M contract to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP.Cities
Transaction hash:
9fc2edabe9fdc757c5fdb1c27f4d1d0673deea70cd243f98a8a227d2defb3cb2
Status:
Included and unchanged
Block:
#5,270 743 blocks after it
Position in block:
Transaction 198 of 332
Award day:
Sep 11, 2023 (3 yrs 2 mo ago)
From:
Value:
₱15,396,519.61
Project:
Proposed Road Improvement of Negros 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 #5,270 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 OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP. on 2023-09-11.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 9fc2edabe9…fb3cb2now …
- 2. Block Merkle root changedstored 627fe931a5…97615bnow …
- 3. Block #5270 hash changedstored 5d0f45b375…e9efd4now …
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 331 records. Each step hashes the current value together with the sibling shown.
- leaf 9fc2edabe9fdc757c5fdb1c27f4d1d0673deea70cd243f98a8a227d2defb3cb2
- 01 R a03966a699b24f9407dbc2fb8afc8fccb9bfe25c5f3e2cce3d3896ae9172ab36
- 02 L 2639b884a44e9cd6f86f56c1a92378578125266dc29356aeeceb2765bfb19f16
- 03 L a927f7b2580ebd36afb831e9234e95bf0344dd005c26e5e3bc8eb09268fa0436
- 04 R 1d2bb952a2b7b8bcd828457201b4c889a76337e662e4c97f6f0db5d62a6e7d8d
- 05 R c3364b14de8033ab9c37d6d0fd2323277aa1180b9b19727824ad029806c92123
- 06 R f6693ae4ee874050caba29586e64951cedcd08b8439421889d584e04deb2ef18
- 07 L 276db98c1a9e0b6eecba4ff74e37d02f7797c70b5eb6cd25ca11a17d335fed21
- 08 L 5a93f6f7c992526494960779d7cf2010082bde2f1ba0aa100311bcd55eba46fc
- 09 R 02b7b566726905cfebb8a3c370d799314af8dddc5cb9e046c7b04c5b1ee31579
- root 627fe931a54e016577b3e61a4d0176f45a073c29eb7271aed60688dacd97615b