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 CASTILLA, SORSOGON Award a ₱9.0M contract to TWIN ACER BUILDERS AND SUPPLYMunicipalities
Transaction hash:
d093f6406812ca505c4fb0542809877e9c853bde47e7ccc91f67f09da0c475dc
Status:
Included and unchanged
Block:
#3,382 2,631 blocks after it
Position in block:
Transaction 254 of 305
Award day:
Apr 5, 2018 (8 yrs 7 mo ago)
Value:
₱8,994,530.23
Project:
CONSTRUCTION OF WATER SYSTEM (CUMADCAD-SOGOY-MAYON
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 #3,382 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 CASTILLA, SORSOGON awarded it to TWIN ACER BUILDERS AND SUPPLY on 2018-04-05.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 Castilla 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 d093f64068…c475dcnow …
- 2. Block Merkle root changedstored a508048c69…8da3bcnow …
- 3. Block #3382 hash changedstored 9af24a13c4…b2f6b3now …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf d093f6406812ca505c4fb0542809877e9c853bde47e7ccc91f67f09da0c475dc
- 01 R d137aec790f52cda6a5fd2ba0e064a89c77c9f92b058c08b803b2f45ef4c1ae0
- 02 L 61fa4b458b85b836026eb22bc3d77c8ecae2ee98016f334dcbc1abd5b82a9cff
- 03 L bb43e7f486bbee4e36c0d109b5614fd01d6b80a742760fa7cae67b0e077cc806
- 04 L e216a3d9646683ef340692ed7042e02d39556feee3c22f06a91439e4c16a5086
- 05 L dbf71a90575d8b31798f5490506b1eab0d8104bb6e2bafaf33c1d714a9a1bb42
- 06 L dbf2f8b122d6caa98ad5e90ad37bb1c6d1567079d4cda353871d6560621ec932
- 07 L 53f8418d4bf63324a8480c171e05a9b30b1950a73ef1c0d5ec7a897c0e865a14
- 08 L aabe00416a02793850bf4fb59d6069e9d88e8911df3cae01719e3ed4b36da5f9
- 09 R 357f4a4d630d13fbc5b7b1e38595d46a5f8d4eb5d188b0280dbc07a0b04e28bb
- root a508048c69810ea1666835379a75f0dfba6df4a635d3171c0edeeed2798da3bc