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 - SAMAR 1ST DEO Award a ₱2.8M contract to VCD CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
21d19a9b3741b550c2d754ba4a87559c559ddbf70f982c91aa66e986002a5010
Status:
Included and unchanged
Block:
#3,274 2,739 blocks after it
Position in block:
Transaction 47 of 372
Award day:
Dec 14, 2017 (8 yrs 11 mo ago)
Value:
₱2,817,798.00
Project:
CONSTRUCTION OF ONE (1) STOREY TWO (2) CLASSROOM S
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 #3,274 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 - SAMAR 1ST DEO awarded it to VCD CONSTRUCTION AND SUPPLY on 2017-12-14.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 21d19a9b37…2a5010now …
- 2. Block Merkle root changedstored a81d4e3db5…2fa0cdnow …
- 3. Block #3274 hash changedstored d1d96acc84…aa5ae0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 371 records. Each step hashes the current value together with the sibling shown.
- leaf 21d19a9b3741b550c2d754ba4a87559c559ddbf70f982c91aa66e986002a5010
- 01 L 1f7545671f827b7858ca7eeeaf2b9be7516d0c2ea5cda00170b2d780fe81d349
- 02 L 99312c6cc2a414c54f1ea4b1bba24f9e55a432316d253d4f88605d3fb6ed3d66
- 03 L 2be3e1d1122a648e12635e8479b108756ee0f61398b92beb0c037e1b7e29d981
- 04 L b72dfcf76a22a21f47ce887d49ac255ec5e960d0a7edc607e5f442e47a62203f
- 05 R 3ce40ca9ad371f6e5f372b2f07997914844cc9d3a9e6ecaf23d31f5fb12eb7aa
- 06 L 767bf6332c7107c49e3cef5ae6abb2c4491151c0d0ab83bba195d86cbb77f3d2
- 07 R d750020f70ed5f0fa37559404241431dd81c548e559ae4839f0d8921c074f298
- 08 R 65942732062424f2d8ebc7ba49dd3fa14bd02c7be3846d66d49ef488e8cfdfaf
- 09 R 147d57d4ea560a0b3e7ccadd27ba5a8b25f6ca8db379e06524c776344d149547
- root a81d4e3db576df08180ac64553acbde5799f3838a9d83c72eed20aceb22fa0cd