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 CERVANTES, ILOCOS SUR Award a ₱487.7K contract to BOSONGAN CONSTRUCTIONMunicipalities
Transaction hash:
d80fcfbea761698479dddd028d0ecb264119a4b5cc15e38d6fb000b7240433ce
Status:
Included and unchanged
Block:
#1,710 4,303 blocks after it
Position in block:
Transaction 329 of 394
Award day:
Mar 21, 2013 (13 yrs 7 mo ago)
Value:
₱487,693.03
Project:
Counterpart to Zigzag 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 #1,710 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 CERVANTES, ILOCOS SUR awarded it to BOSONGAN CONSTRUCTION on 2013-03-21.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 Cervantes gave a "unmodified" 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 d80fcfbea7…0433cenow …
- 2. Block Merkle root changedstored 39d0c13b45…ff87e8now …
- 3. Block #1710 hash changedstored 024bcbf973…fa9c95now …
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 393 records. Each step hashes the current value together with the sibling shown.
- leaf d80fcfbea761698479dddd028d0ecb264119a4b5cc15e38d6fb000b7240433ce
- 01 L d74b533e8ff46a97960dece10b652321707179f57fad51c29f95d8a94ad476ad
- 02 R ffdf7713f55d03fef2a849cf08440fc3d1da9e91fbce33c511cedcb916614f46
- 03 R ed28a992e37567e54ab4f1d4038ca4b9d5af714d4eda4bee0e7a13a3495176df
- 04 L 818fc578729f9b3adb01128ceda3cfcdb7f55d1f9a1c22b460ac8b140b44ccd8
- 05 R ba71147cec87e89c7d7c8e5261fba86d7b28ebb7f2c97f7a3f60fe832135c8fa
- 06 R e7962d7edefc1311e56a77bff955b6311d1c5f764a38cd73c630926fff2f23ad
- 07 L cfee8db96ffac07f4b9faef2f7d89d987d905d0ccdf5d1db379cb49f51782b62
- 08 R 2572b3acccbaf2437ef2aadcfeae9fa0d11b9c9d631ec86951ac49b5b9553b8a
- 09 L 49b275eea8c67a194ed740f8303c3be4e7f20c9be54af36c8dd95d4f983c92b0
- root 39d0c13b4553befdb20436f956d21d6c222377fc20554b4d845db8c6c3ff87e8