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 ₱61.9M contract to D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC.Cities
Transaction hash:
4fff7ebc4cd139076acbecfcbaed8799dfb19060a320bf228857c57c51500c70
Status:
Included and unchanged
Block:
#4,329 1,684 blocks after it
Position in block:
Transaction 30 of 88
Award day:
Jan 6, 2021 (5 yrs 10 mo ago)
From:
Value:
₱61,899,759.39
Project:
PROPOSED ROAD IMPROVEMENT OF ROCKEFELLER ST., LOCA
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 #4,329 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 D.C. SANDIL CONSTRUCTION & REALTY DEVELOPMENT, INC. on 2021-01-06.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 4fff7ebc4c…500c70now …
- 2. Block Merkle root changedstored 4e6ca3b081…bd3a52now …
- 3. Block #4329 hash changedstored e008f3832d…cbfa9cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.
- leaf 4fff7ebc4cd139076acbecfcbaed8799dfb19060a320bf228857c57c51500c70
- 01 R 51334dfd7e865b1625ea10125c997c48de1871d564846fd4e8f1675e9f7eac84
- 02 L 73c47b1d76c9bd1f01af77d42239b151509374563c9d1fdc1820d342b1c5dd7d
- 03 L f096366995ab2c7866b3583665adc45f787d177a47c14dbc5f802872c4963c62
- 04 L fcba2249a44f8aea00c0d444025d2b8af748e439e8bc58d983b5900fd427fe73
- 05 L e72ae11ca5310089179e0c70466e27901fd7e2901946e01bb8a847edcb5c1018
- 06 R c3db4f8d61acd18a2f115a6b5da302363de0f30d133a49f8f28711d5edec5f88
- 07 R 024675a006c23e79d3c7893afb2c6b0ec3bea47e685abf5047fa9930a97433ff
- root 4e6ca3b0819cd2f815eba7e5350659511890244e2254a13becd786cb2dbd3a52