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 LIBMANAN, CAMARINES SUR Award a ₱499.4K contract to M.J. APIN BUILDERSMunicipalities
Transaction hash:
b83ce12e1edb3ed03fac39bab5c25631324c50d42e017e970bd924a082791474
Status:
Included and unchanged
Block:
#1,886 4,127 blocks after it
Position in block:
Transaction 68 of 109
Award day:
Oct 10, 2013 (13 yrs 1 mo ago)
Value:
₱499,448.34
Project:
ESTABLISHMENT OF SOLID WASTE MANAGEMENT TRAINING C
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 #1,886 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 LIBMANAN, CAMARINES SUR awarded it to M.J. APIN BUILDERS on 2013-10-10.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 Libmanan gave a "modified" 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 b83ce12e1e…791474now …
- 2. Block Merkle root changedstored c181d94d1a…257875now …
- 3. Block #1886 hash changedstored ca9b6427e4…cd7f9cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 108 records. Each step hashes the current value together with the sibling shown.
- leaf b83ce12e1edb3ed03fac39bab5c25631324c50d42e017e970bd924a082791474
- 01 R baf3c182ac12911cf7631ba879cee0b12c052969b3be26052b586ede2570f8ac
- 02 R 64e753f0003c8962d55073df37a67d26ec09804c0e8f50353c6b8b392f9f07fb
- 03 L 8b4f4c6d5fb2d3bf7616c86190a27a80da3c975caffba95ba99dd1284ca8e4d1
- 04 R 28597a0a448be2c1aedb679d59e819a97508ae2e35855a1dc7405bfc5985fcf8
- 05 R e2c40dba6ddd8f1f5f48882a729be993ef870750faa3474b0db385aba3f66312
- 06 R 1e2e457315b48099675e9dbc07467b4bff0f470ec2ea06c9c0e031d3d3b3ff03
- 07 L 68061bdad3c1666437610d71104ef674953ef0eeed72c68c32c771f13de0f4c1
- root c181d94d1a48c3648b40c14369a3abcf579b2023e051fdab157593af00257875