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 - MINDORO OCCIDENTAL Award a ₱1.4M contract to AMM CONSTRUCTION AND CONSTRUCTION SUPPLIESNational agencies
Transaction hash:
34c3453da4e78480e9d13fbf06623d0fa2085016107405128d096a45e1ac847b
Status:
Included and unchanged
Block:
#4,611 1,402 blocks after it
Position in block:
Transaction 85 of 475
Award day:
Oct 27, 2021 (5 yrs ago)
Value:
₱1,425,841.27
Project:
21EB0124 Construction Project
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 #4,611 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 LP", 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 - MINDORO OCCIDENTAL awarded it to AMM CONSTRUCTION AND CONSTRUCTION SUPPLIES on 2021-10-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21EB0124: 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 2022-01-25). 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 34c3453da4…ac847bnow …
- 2. Block Merkle root changedstored 8bdfc8fae8…48b275now …
- 3. Block #4611 hash changedstored 314b9ebd15…8f1203now …
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 474 records. Each step hashes the current value together with the sibling shown.
- leaf 34c3453da4e78480e9d13fbf06623d0fa2085016107405128d096a45e1ac847b
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- 02 R 6fdae9fcf0e66b1c7c76b76f1c586e18f107ad3fe52463ab046ed4102937d04b
- 03 L e524760f3d4d7f57c69e769b7bb15ca4c1d27686d7bfcc5aaa6d11f8770b7eec
- 04 R f72aaa71356d7fc1c47c2c10d168ecae52b737e96d8adb94e1c84b237dd69ed4
- 05 L ab41c2f23b8f36f691766bf9f0a4089a7d2bfd71f6742ac505fd08ae4b58da3b
- 06 R 1d8d42cca0a2b9dad06e014acbde72ce4988b93ef0675c3855420b07f1a99a36
- 07 L 7138bc73a71b587124ab80439e17f22d625ab3594214f3f73c1021dceaf76d24
- 08 R b2daa3d5dd45a5714c58ddc8f2b49705b13ec1f2d8cb565d67577c8658fe9503
- 09 R cd967864ea11da0f2b687d9bf727fbee8cb05656c54435b1079359439c0dd8a4
- root 8bdfc8fae830a3827356c9dcf45c6a45478a6d829ff8d6fffeea5a183348b275