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 SANTA MARIA, ILOCOS SUR Award a ₱4.0M contract to MBB CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
2c3d0ab15e3a2f7d3e7ce2fd43dc7739f33a357a47c5194bbf57fa9b01cb6da9
Status:
Included and unchanged
Block:
#4,190 1,823 blocks after it
Position in block:
Transaction 33 of 175
Award day:
Aug 12, 2020 (6 yrs 3 mo ago)
Value:
₱3,987,043.90
Project:
CONSTRUCTION OF FLOOD CONTROL SLOPE PROTECTION
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 #4,190 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 SANTA MARIA, ILOCOS SUR awarded it to MBB CONSTRUCTION & SUPPLY on 2020-08-12.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 Santa Maria 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 2c3d0ab15e…cb6da9now …
- 2. Block Merkle root changedstored b4b48319eb…1f4fdfnow …
- 3. Block #4190 hash changedstored 87fb28dfdc…3c4bc0now …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf 2c3d0ab15e3a2f7d3e7ce2fd43dc7739f33a357a47c5194bbf57fa9b01cb6da9
- 01 L 2af690b377987ab5903781e1dc2ee11e90cd34beb3d07922665942924e45c8a8
- 02 R e8abaf8804d5131ee98c6ac3d979cbd7f4d349379c9378d31d47aa89817b0ff6
- 03 R 4ad0db46f1b4a926922901c8ec65c0be29d09f236ae038cd445bb28de433acb6
- 04 R 518c73d3c24ce63281e981efcc0c64c4dd99dfed5105c8a21200e671ee43fd8c
- 05 R b11503a9a7ead0f0ed472c9c016bb126c65161abe020ee00d114e3afd811824f
- 06 L 96aabd1c5a38fea285dbdc823c078cd05accd3f47daa72d14941877e48728e3e
- 07 R 775a273afbd2db2909944c4f87e429caab4af52ffcfe17b57e3ecd7f151081c2
- 08 R 8d1b72b5447f8ff882f3989fc42e8f910d0965d37045a880cc5d938974ad7669
- root b4b48319ebc0d611a1627e52c45c934af14bf73a1d39ac222264e278ac1f4fdf