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
MUNICIPALITY OF TANAY, RIZAL Award a ₱988.2K contract to VIAN BUILDERSMunicipalities
Transaction hash:
bc147815794601d7dd2dffcdabf20e3c5975769489b5b940836b594ac42f49d7
Status:
Included and unchanged
Block:
#5,128 885 blocks after it
Position in block:
Transaction 315 of 416
Award day:
Apr 19, 2023 (3 yrs 6 mo ago)
Value:
₱988,188.17
Project:
Construction of Irrigation Canal at Kay-Buto
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 #5,128 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)MUNICIPALITY OF TANAY, RIZAL awarded it to VIAN BUILDERS on 2023-04-19.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 Tanay gave a "qualified" 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 bc14781579…2f49d7now …
- 2. Block Merkle root changedstored 1507ec0d7c…55d6c7now …
- 3. Block #5128 hash changedstored ef53917e92…5fa3e6now …
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 415 records. Each step hashes the current value together with the sibling shown.
- leaf bc147815794601d7dd2dffcdabf20e3c5975769489b5b940836b594ac42f49d7
- 01 L bad52c15a3aee6586107fa18bbc6a1783c1d2f8d411238881b1c44759b4f2af7
- 02 L 8730f795d0af8a1c07b83dd1ae67297a8af6e8bcc58ad4c3014e010f29ec2f80
- 03 R 476ba2211018bc1e4b6f84c130b3879071b6a4d2ecba1988ced72f20a25751a3
- 04 L bc7f2d028548262b4929e0dce465911391a25be5536ec92e19f02648c3078f42
- 05 L 5721c9abdc495992b77c1efd70acf5702506b807d966bae66baf22f4c517ef08
- 06 L b962049ee9d93f3d819d56d7d3e5ae97829d8bfaf72dbdb4a46856ca805af7bb
- 07 R 2a665958fd6f739425f40cfe090beb8024c02e91a27946d868d30f394a994cfe
- 08 R 6e9b3958f9ac8df55ccc9552226a83a2a498fea2234d4edcd7a04277f423dc50
- 09 L 08646931f21667da9754bd43612bcfc5be469ff17b974f1f24569c9391c71514
- root 1507ec0d7c0131de59da96f3983705ba33ea9ad94b73af706690a0d27e55d6c7