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 - DAVAO DEL SUR DIST Award a ₱37.3M contract to TKS BUILDERS & SUPPLIESNational agencies
Transaction hash:
37e05a6192b2bafa9f3dfbfc8c7651e1d44a4c99ab7cee18d6bf25bf41688f77
Status:
Included and unchanged
Block:
#4,543 1,470 blocks after it
Position in block:
Transaction 37 of 167
Award day:
Aug 19, 2021 (5 yrs 2 mo ago)
Value:
₱37,333,711.19
Project:
21LD0084-NOA, NTP & Contract
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 #4,543 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)DPWH lists the funding source as "Regular Infra - GAA 2021 OO-1", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 - DAVAO DEL SUR DIST awarded it to TKS BUILDERS & SUPPLIES on 2021-08-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LD0084: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-05-13). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 37e05a6192…688f77now …
- 2. Block Merkle root changedstored 07a03a2fbc…801797now …
- 3. Block #4543 hash changedstored b99c5df52a…2bdca5now …
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 166 records. Each step hashes the current value together with the sibling shown.
- leaf 37e05a6192b2bafa9f3dfbfc8c7651e1d44a4c99ab7cee18d6bf25bf41688f77
- 01 L 357839c362bf124bdc04c14efdd6e26789f527768479f9ad9ee3e67d4b24a9c1
- 02 R ce6e8390fc27ad88330ba527e6d3d7d8b620268403b0351e4e8e4fa18ad1aeb8
- 03 L c3e6a0626d90829d6f9080af14823bfe8b8737d67f400a39ff18fe69bd85faf0
- 04 R 61c35a663b12a8df5a633d688fef1154b65124e743cffb1598d3363c368a8001
- 05 R 448d6bd69484a254bb267e5a56c5c2b0a8f0757ec98d942d2df7b90e846794ef
- 06 L d7d4d50267ff5539684617b1ae308764a9c7ce25442c0b5dde26370c9923f4a3
- 07 R 0f431354dada43ffc4fa852acb1e6be447741520cf097886efc7e84a7cc53c8a
- 08 R f08b6666dcea09392a0ac0915b64b28ee67a979af46745d50d7971e48c58c30d
- root 07a03a2fbca3c9cab3c5c7d1fd01e08a51a64d74f749e7956a901c4b9b801797