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 MERCEDES, EASTERN SAMAR Award a ₱19.9M contract to ROVINVAL ENGINEERING AND CONSTRUCTIONMunicipalities
Transaction hash:
bea2a0dd4e568e2bae76bddce01d9c4bb29204a290ee2ca3c11be294669446a6
Status:
Included and unchanged
Block:
#4,658 1,355 blocks after it
Position in block:
Transaction 226 of 306
Award day:
Dec 13, 2021 (4 yrs 11 mo ago)
Value:
₱19,946,553.13
Project:
Proposed Construction of Level III Water System
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 #4,658 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 MERCEDES, EASTERN SAMAR awarded it to ROVINVAL ENGINEERING AND CONSTRUCTION on 2021-12-13.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 Mercedes 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 bea2a0dd4e…9446a6now …
- 2. Block Merkle root changedstored 8911b9f2eb…694c21now …
- 3. Block #4658 hash changedstored 00ce69de01…9a8513now …
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 305 records. Each step hashes the current value together with the sibling shown.
- leaf bea2a0dd4e568e2bae76bddce01d9c4bb29204a290ee2ca3c11be294669446a6
- 01 R beda7aee96a2e54c4d3efd05513286179933c1c91a59c93c10767070ef704d84
- 02 L f87f97b097d174228316d74d5f61c52151df1a6397ea7cb094b25d607e0aa7f7
- 03 R eeb2a25c24446de4a2b1d86cdb89b3a605d852f0878dcb961d2e1aa948bf702c
- 04 R c1bd70f1b3bdba912d4658bb4ba9d8f89d47b50a1519002a54182e457e499260
- 05 R 05ef300567d67eb5b5169bdf5811b4e46ce58fb8c904c2f186d6ea65970a1a41
- 06 L 97dec157614cd1a33650c8f07bb38efa5858cc8f1af0f99a7c6612944a5c9c83
- 07 L 68571936cf085055009376ab9f25847d6f2e89fb0dc16b92babd3c6e0dede930
- 08 L 65f08b5436bcee133ee72aafbb5e92b3ee6cee7cb345f4718f8d0fc782e2d2a0
- 09 R e625fe17f2f943a6a1297f7fc6e0f6f4ce1e52504b44844c1db3e016b1e73e08
- root 8911b9f2ebb5d4b3f4c676e546ad2f1fdb1dc490739cfc9e8687e9501e694c21