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 ₱521.5K contract to SAN IGMEDIO BUILDERS INCORPORATEDCities
Transaction hash:
f8fa2ca3b2e61be2faa162fc9a5edf90936aa50b1dfd9c51a0eb3fe61fce0bfc
Status:
Included and unchanged
Block:
#2,290 3,723 blocks after it
Position in block:
Transaction 120 of 125
Award day:
Jan 6, 2015 (11 yrs 10 mo ago)
Value:
₱521,476.96
Project:
Installation of 6 Units Streetlights Leading to P
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 #2,290 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 SAN IGMEDIO BUILDERS INCORPORATED on 2015-01-06.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 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 f8fa2ca3b2…ce0bfcnow …
- 2. Block Merkle root changedstored 6277149aa7…904082now …
- 3. Block #2290 hash changedstored c1ab9f1e23…04eabfnow …
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 124 records. Each step hashes the current value together with the sibling shown.
- leaf f8fa2ca3b2e61be2faa162fc9a5edf90936aa50b1dfd9c51a0eb3fe61fce0bfc
- 01 R f90187b737dd41c8fe42e059966dae940c4bd67c3cff0b26396a1ee0a3a82dd3
- 02 R cf253275a9b7f77f0ec233d2e3d80606a02c3f8a74ec57b3d7906152686a534a
- 03 R 375d2b85b61896a637d42e27907f0197fe6327ef1299b005ac7cd8d83251c24a
- 04 L 578743574953f3e5e75b76041d7b7fb18303e78bae3e931806f7f48c79627c19
- 05 L c06474adca7937dc295f89ba72b27bae5624dfb64f66faa09a072d7156b49172
- 06 L d6b6cfadfaa3c2c2cb9b17aeb824160a2b571fa499ad93e8f3515e7470fb5a8c
- 07 L ca7ad06eec3d6092ad43a7bbdc3e9c52035173071f71a5ba7b51892c1f3b690c
- root 6277149aa7a0b84abe6368443c90676d659430bff2de5bb5c971831ef3904082