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 SAN JUAN Award a ₱6.3M contract to STRUKTURA TEKNIKA SERVICES COMPANYCities
Transaction hash:
fa1ce665bb9fabcbcd7357565a8f217da306e3da4c072b67bb61523609e8910e
Status:
Included and unchanged
Block:
#1,291 4,722 blocks after it
Position in block:
Transaction 32 of 33
Award day:
Nov 10, 2011 (15 yrs ago)
From:
Value:
₱6,321,681.41
Project:
Completion of Plaza Rehabilitation/Beautification of San Juan Plaza (Phase 2)
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 #1,291 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 SAN JUAN awarded it to STRUKTURA TEKNIKA SERVICES COMPANY on 2011-11-10.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 San Juan 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 fa1ce665bb…e8910enow …
- 2. Block Merkle root changedstored 291dd763b3…e5fca8now …
- 3. Block #1291 hash changedstored 084fc37955…3ac1e3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 32 records. Each step hashes the current value together with the sibling shown.
- leaf fa1ce665bb9fabcbcd7357565a8f217da306e3da4c072b67bb61523609e8910e
- 01 R fa1ce665bb9fabcbcd7357565a8f217da306e3da4c072b67bb61523609e8910e
- 02 R fe8182cae267affa8e26e3ac1563d777fc9bed18874882997076b92dbaf35dac
- 03 R 963030e13a1f3dcd933e33e08d4ae3c96d1760b83367413311c54e78a89e9ed0
- 04 R 13d92d73705f22b4543cee4bd26dfdd98288b411247c4114afb352b1272503be
- 05 R 913132bd43d589f29eab39a7c56c8821fcc8bd4bd6c1bf653dfaefe631406adc
- 06 L 059d92c24803ff2fc4a4ca7e152f94a8967bd8bd49e2052f5dad004afa7bf697
- root 291dd763b3d4998fabd6352431148159a74a8986ed41e531725bf8e213e5fca8