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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII Award a ₱2.4M contract to ALEXANDER BUILDERSNational agencies
Transaction hash:
ea404dcc8f1a05c5c54cdaa5c9c47c5eb2dee7c0b886d1882cc29f3277572cbc
Status:
Included and unchanged
Block:
#4,583 1,430 blocks after it
Position in block:
Transaction 190 of 203
Award day:
Sep 29, 2021 (5 yrs 1 mo ago)
Value:
₱2,446,787.99
Project:
21M00123
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 #4,583 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII awarded it to ALEXANDER BUILDERS on 2021-09-29.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ea404dcc8f…572cbcnow …
- 2. Block Merkle root changedstored 9f9b46a3d3…a3ef0enow …
- 3. Block #4583 hash changedstored 2bf54c7930…a50474now …
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 202 records. Each step hashes the current value together with the sibling shown.
- leaf ea404dcc8f1a05c5c54cdaa5c9c47c5eb2dee7c0b886d1882cc29f3277572cbc
- 01 R ea4f1e9ad0a544cdf20fd22cdf4ca807cc00568d5404de2bf5c557da90ac52f6
- 02 L 2fde696a935dd7e5fd6cc5b4cd55770080af0210f925faae40ba4068d3d0d644
- 03 L c88d198154e1ac0a2400a51614ec818696bb97ab08d2772ff78b764fbd65de01
- 04 L d661e14eb5bc6b01cf8f7e7bc97725653d750faadfb405670c54a5f45789409d
- 05 L 82efe07d16f940166884ebc0dac879549bc301cf2a9576cb4a2c4912ca4836b2
- 06 L ea05705ad14bf3d79c8656b0a2e228109a0b1944b2876f90b28eefd02277248a
- 07 R d859ec391c645228a95372abeeea4891b28020cc7dfc147edcd9f74a61a052f8
- 08 L fe44acdce9f4efd349286028ebe44f69fb6b91f824d24f6cc91c0f525dcdfb1a
- root 9f9b46a3d3261b362982c6dfb7286c147aa7baf0ce6596104ece614c23a3ef0e