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 SAN AGUSTIN , SURIGAO DEL SUR Award a ₱665.8K contract to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
80079bb83af5dacbbb5c9b6d59952861e03d8582f2897ce24138bfce5de90b6a
Status:
Included and unchanged
Block:
#3,425 2,588 blocks after it
Position in block:
Transaction 494 of 988
Award day:
May 22, 2018 (8 yrs 5 mo ago)
Value:
₱665,787.00
Project:
CONSTRUCTION OF MULTI-PURPOSE BUILDING KAUSWAGAN
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 #3,425 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 SAN AGUSTIN , SURIGAO DEL SUR awarded it to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTION on 2018-05-22.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 San Agustin 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 80079bb83a…e90b6anow …
- 2. Block Merkle root changedstored afc2cd5390…19b960now …
- 3. Block #3425 hash changedstored 6e5fbdae95…f0bbc0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 987 records. Each step hashes the current value together with the sibling shown.
- leaf 80079bb83af5dacbbb5c9b6d59952861e03d8582f2897ce24138bfce5de90b6a
- 01 R 8009249996e0311f69d245fa9d209239213899bab11b5768ced84ffa3f300374
- 02 L e76ffe6cf8ada8c085baf938275c91e95afc008be64ab80815d06fe068e49143
- 03 L 1bd81547108ef75cac22d4eb3dd6582a1b156b82adc9713e3cfb1d7573af20ac
- 04 L 448f7592f40d53622799927d43b5b6a93d8069d56fa5a09f093358e7aa0aa198
- 05 R e45a725741ef031e95eb59f5706bbbb7bf501ce3ac7d9f91eb5a60a524081cd0
- 06 L 2c70bcf278bef3e9df5eb9a346aa55b7b869986228df14f3f36d5ffef6bb78e6
- 07 L a3d0683ed7f5ab3e3f35bfd1a45e226e434cb7d4996cba92b4645c45df630ab8
- 08 L 600cdc51a080a6621ac4bf05c8c722c72cba2a54ff07789db4b4256ca1823ce1
- 09 L 488378538a3a02a3ba7950e6e882651be89749fdace570dd7aa1eed6b63300e7
- 10 R 2b72762b7a0ac815490bc1fa1f7b6723846f01d6e899d2460baec47ca4fd300e
- root afc2cd53900dc781e9fa8a2d8b4195cf4e813225eb7cee3f68b7bcb6f219b960