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 ANTONIO, QUEZON Award a ₱154.7K contract to TAD CONSTRUCTIONMunicipalities
Transaction hash:
bdf2ecc4c29d1cd5557f6aa0a079c9315f3dd6a364d237afc44048284a3c2761
Status:
Included and unchanged
Block:
#3,176 2,837 blocks after it
Position in block:
Transaction 287 of 409
Award day:
Aug 29, 2017 (9 yrs 2 mo ago)
Value:
₱154,651.28
Project:
Construction/Concreting of Pathway
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 #3,176 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 ANTONIO, QUEZON awarded it to TAD CONSTRUCTION on 2017-08-29.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 Antonio 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 bdf2ecc4c2…3c2761now …
- 2. Block Merkle root changedstored 2b400b6cfe…d2978fnow …
- 3. Block #3176 hash changedstored 70bcec868a…2a65c9now …
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 408 records. Each step hashes the current value together with the sibling shown.
- leaf bdf2ecc4c29d1cd5557f6aa0a079c9315f3dd6a364d237afc44048284a3c2761
- 01 L bda5ef3946816e7fdaae04809a171ddbba017af3a618cd1520d8997753bdb0a7
- 02 L 3417fa86e21f8e1ee2eb5ce2081ecd4b59ca50689c572da1b5314740dd407256
- 03 L dfe1056a260da53431e044296cc53948558c650318707240ea36a62ffebe7a16
- 04 L 6b612c458c03c0f3711fb9ddcfa0af2108b1b9bdc1ff6b5d022284ba5bc53686
- 05 L edcf446a38dbb8a4e588029d3298710a44ced9c355600971a5063864f971a08f
- 06 R e7cc9910e132315c7e8b4bd244065a8659598fceb5f2d6c9599ec5ae6d05f510
- 07 R df0e1e65f82110239fc75abb666b1c3ba3d243c5fa0fd3b9c222291c42b9d64d
- 08 R d0345805e3ff87ceeb23e457796fa4763ad0e3fa17292647e5d8f545fe1b5aed
- 09 L fcaf144d90108e7074f24ddb7cd81e537d29ddd6a7c98e1ca4e9fe627e632636
- root 2b400b6cfe8e20dbf656464f53f8c9664ed1bcba038d9a1aaea994c319d2978f