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 - BULACAN 2ND DEO Award a ₱9.6M contract to M.R. SANTIAGO CONSTRUCTIONNational agencies
Transaction hash:
a98eb8f005d7b4efbf5b526ef8ac99eee9e3d9fa60078b61c964f95a874b09f9
Status:
Included and unchanged
Block:
#4,367 1,646 blocks after it
Position in block:
Transaction 257 of 404
Award day:
Feb 18, 2021 (5 yrs 8 mo ago)
Value:
₱9,587,677.10
Project:
21CD0039 Concreting of Road
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 #4,367 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 - BULACAN 2ND DEO awarded it to M.R. SANTIAGO CONSTRUCTION on 2021-02-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CD0039: 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 2021-07-05). 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 a98eb8f005…4b09f9now …
- 2. Block Merkle root changedstored 5ac1559693…9effbdnow …
- 3. Block #4367 hash changedstored 9f47d49ab8…c0c35cnow …
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 a98eb8f005d7b4efbf5b526ef8ac99eee9e3d9fa60078b61c964f95a874b09f9
- 01 L a986f8a7c1754a16660c934a205c2d9a101e433567c2fc35728fc0264754f09d
- 02 R a936e89cfc5467b6ef8828311e00c48ff876739a625147304fe6aba59000b838
- 03 R cbe7bf8b6c50857dec6ff43350f1a8070941c238d377936d72d51bc032d07a2d
- 04 R c826a0e1f51bbefd2930f37f248375cdd49bbac5cdfbc8c06a355cd94620d9cf
- 05 R 77fdcdd1f3229bd685bea7ee3f2c4c1663ebcdafebe9591117b9b0055cf1d999
- 06 R 2136eeb6d13758fb8cde6f370335c59dcb769d542ebb91010f31d52bea7009ff
- 07 R f187bcfe5678aeeaa30d70cdeeeba413070cc77303e96fbd8aa3eee7dc3f25f3
- 08 R 137a690a1e8256bd3252de55838f7b3a44f04a3563b78079c8e4281c7f0edb40
- 09 L fbe6a18da7f7902de19edf35948461fed36e45a136086a3addf9d4674c690154
- root 5ac1559693072e104631c8ff953858013ab0a1c79eb2a6cc085311d0889effbd