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
PROVINCE OF RIZAL Award a ₱4.8M contract to P.B. GREY CONSTRUCTIONProvinces
Transaction hash:
4d90e8b63a67ec780a9c0c9fd6c07888e85945cf870b5899614bcecf0b8a61bf
Status:
Included and unchanged
Block:
#2,442 3,571 blocks after it
Position in block:
Transaction 65 of 193
Award day:
Jun 24, 2015 (11 yrs 4 mo ago)
From:
Value:
₱4,806,675.00
Project:
Riprapping & Dredging (portion) of Balanti Creek a
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 #2,442 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)PROVINCE OF RIZAL awarded it to P.B. GREY CONSTRUCTION on 2015-06-24.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 Rizal gave a "not stated" 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 4d90e8b63a…8a61bfnow …
- 2. Block Merkle root changedstored 972442e74c…730efcnow …
- 3. Block #2442 hash changedstored 7f4bc493d9…d26be4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 192 records. Each step hashes the current value together with the sibling shown.
- leaf 4d90e8b63a67ec780a9c0c9fd6c07888e85945cf870b5899614bcecf0b8a61bf
- 01 L 4d8ff924535a85e6a53d043900c6726f283af4a8eb82f7a26efd3f01096da3f9
- 02 R 5f0c969f8978c5ecb83781b5fd1afb355388f5f2419385a9cb6a209ab810dc44
- 03 R 14b83512b27b7f14a47a007c245997b23076c6250c0d0d465526e225e1f67dd5
- 04 R db8897528b9190a2c6a8dd8b182fc07f74f0fc6c1ccf39d9feda2f25885e5cae
- 05 R a5eeff3666ceed2de9f35356ba9d16ec171e26cc99d2ccba0093eecd6cebbfae
- 06 R e309e373fe0f4ebf9e6fd4708c153a4572874109eb15dad8becfa1c4dbc41aed
- 07 L ec1c88c7ce0fc6f6fa438c5f1d33b22c766a9f6e6bc6c780b6a81503fd561fd4
- 08 R 93a1e2fb6cdfb516d87a991ae75745de98b6e74e89b802c6688236a9daf4f396
- root 972442e74cf8dd7b407daa4c13f15e65ebdd08657fc6775c8217a5bda9730efc