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 ₱21.3M contract to OLYMPUS MINING AND BUILDERS GROUP PHILS. CORP.Cities
Transaction hash:
9afb1bd0c403a1e59a32f0df01ba213cdebd8143e6ca6e12cc765dc2f59303e8
Status:
Included and unchanged
Block:
#5,278 735 blocks after it
Position in block:
Transaction 130 of 214
Award day:
Sep 19, 2023 (3 yrs 1 mo ago)
From:
Value:
₱21,344,332.99
Project:
Proposed Road Improvement of Julio Dela Cruz Stree
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 #5,278 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 2023-09-19.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 9afb1bd0c4…9303e8now …
- 2. Block Merkle root changedstored 2815444afd…281ce6now …
- 3. Block #5278 hash changedstored d5f9f47ad5…962cc5now …
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 213 records. Each step hashes the current value together with the sibling shown.
- leaf 9afb1bd0c403a1e59a32f0df01ba213cdebd8143e6ca6e12cc765dc2f59303e8
- 01 R 9cc2f81fb079e3e36da4d9d9fed27ca70b9bbc3c7ff350f04e185499915558c8
- 02 L dbf6ce66a4d736b20d97348748cf5c03c7b96e2e698b0a4bde7a0e6370263de9
- 03 R 1549d478fb0cc4d17c105d35fe3f125901c37cd716f1552bbd3e0122c036ec29
- 04 R f14eb5573a2b196fe6504bb299f314bfa68e91418de38891318f3f7624978078
- 05 R 7f0ad21912c6ebfec056e917864d3e7af1c0aec2f49e6695b8eea7b6353ca6cc
- 06 R c3ba606cc5bfd60d1800097d8162b9d3b32de13eed302c188fbcb69104ae5e42
- 07 R 74678451b4fee4749304101f6df7c00661ce80d758a1ab298863894dc2f488ad
- 08 L 0e038ae75b11edd7857e62bacd68e7e4c633c807743bcc13538f4ca1d8582752
- root 2815444afd56c39f041ccf96498695d28ee48e4a3bc310ad83f42180a3281ce6