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 ORIENTAL 2ND Award a ₱23.8M contract to MAER SUMMIT KONSTRUKT CO.National agencies
Transaction hash:
daa06eece0ba578ea1fbe6de279839f7be3907e9672128f616fe78be1cb8f693
Status:
Included and unchanged
Block:
#4,398 1,615 blocks after it
Position in block:
Transaction 267 of 302
Award day:
Mar 23, 2021 (5 yrs 7 mo ago)
Value:
₱23,764,843.52
Project:
21LG0081
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 #4,398 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 ORIENTAL 2ND awarded it to MAER SUMMIT KONSTRUKT CO. on 2021-03-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LG0081: 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 2021-11-22). 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 daa06eece0…b8f693now …
- 2. Block Merkle root changedstored 385a9af342…1e1a17now …
- 3. Block #4398 hash changedstored 87938c6a3d…5a36c7now …
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 301 records. Each step hashes the current value together with the sibling shown.
- leaf daa06eece0ba578ea1fbe6de279839f7be3907e9672128f616fe78be1cb8f693
- 01 L da6e1da264be028ff733fbce952023cba1d899bb6a8a2163c203ebe715265013
- 02 L 7b1b154fac126a8768a4aaf02634aef6ab8c93f3ea3aa5f87a6860c3171b8275
- 03 R 4b91fc348fbc7b612355682594a82395907761a0abe1fe6322e3d250090b815c
- 04 L 8f6c5e37d8eb541ab4af81c079f79a4aafd8661f4c49b5d0f0547a134d14cf9d
- 05 R 34e8362db9c9575202774cc7d9f9618df71afe34d51289e950870482587401f9
- 06 R c80a19f4f3b595418b94d636cc3840d2440509d27567bc6e5521ac426cf38752
- 07 R ed282c4bff4743ea64640a720693f525465e9405380616e6bcf8fa975329502c
- 08 R 50502ee5031ce551b9e59544fcf76ac79787246cc99d902fa32cd33ed904d3c3
- 09 L 4ad77633d5a17175ccf546a5935cbda2ed6ce808abfd1db07748eca1e72a4956
- root 385a9af34211ccdc1deb2ab2647308770ae7557e0110e6cf8bc28d1b391e1a17