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 - SOUTH METRO MANILA Award a ₱8.9M contract to AARCON BUILDERSNational agencies
Transaction hash:
9f4942fdff0117325d2e8fe8a5949ab91f22c1e1fe97ca738b81f3f082ec45c8
Status:
Included and unchanged
Block:
#4,015 1,998 blocks after it
Position in block:
Transaction 236 of 404
Award day:
Feb 4, 2020 (6 yrs 9 mo ago)
Value:
₱8,873,188.12
Project:
20OH0018
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 #4,015 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 2020 OO-1", i.e. the FY2020 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 - SOUTH METRO MANILA awarded it to AARCON BUILDERS on 2020-02-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20OH0018: 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 2020-03-13). 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 9f4942fdff…ec45c8now …
- 2. Block Merkle root changedstored afeb252245…7c556cnow …
- 3. Block #4015 hash changedstored a4b18bac05…8a2934now …
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 403 records. Each step hashes the current value together with the sibling shown.
- leaf 9f4942fdff0117325d2e8fe8a5949ab91f22c1e1fe97ca738b81f3f082ec45c8
- 01 R 9fa046af0023910da3bbbd70c06fa11c030c73dbc7acd959c873627fc5e80ee0
- 02 R 8c0c908f484fdc6ff16569edfde76daeff56eae3449f40babe323223fcc0f470
- 03 L fa5b4addb0d3d70a63a458437b5120b075d716c6a191cd97aff0efb984d04c39
- 04 L 3f71f05b45c1724b314e6c8127e936b7632add2ee57de81934f3b767d7aed1d1
- 05 R 0c5bb3dea9875c91ee7a0ff71a87ea20e95159262740df47a7c7eab2d7cf6215
- 06 L cf3351a418588f178f87ed351a87ae8224b018e479d589160bd396556b40574b
- 07 L f6bfab27372a6b34b76f8608d24237b659b784d669c2fabab8f31a54392540bb
- 08 L 7841fbf31a99efbbabafd81be5631cf002220fc0e4f9398dfefad4b526a579d7
- 09 R 7009ee7f68a3e15d109a293c6edbe7cdfc88208b1e9adca32f0ef2a632350211
- root afeb25224564db122356b30660d5eb071f599dadaab342acbdf473c8157c556c