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 TALISAY , BATANGAS Award a ₱99.8K contract to A. SANDOVAL CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
74defa3eeb75d46ff23018ab928d4d56eb48d7082727233e27d27fb0048fc88c
Status:
Included and unchanged
Block:
#1,890 4,123 blocks after it
Position in block:
Transaction 107 of 252
Award day:
Oct 14, 2013 (13 yrs ago)
Value:
₱99,800.00
Project:
Construction Project
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 #1,890 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 TALISAY , BATANGAS awarded it to A. SANDOVAL CONSTRUCTION & SUPPLY on 2013-10-14.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 Talisay 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 74defa3eeb…8fc88cnow …
- 2. Block Merkle root changedstored 461af11129…fc119cnow …
- 3. Block #1890 hash changedstored 959f3f0dbe…89a5e2now …
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 251 records. Each step hashes the current value together with the sibling shown.
- leaf 74defa3eeb75d46ff23018ab928d4d56eb48d7082727233e27d27fb0048fc88c
- 01 L 74cd0161d040d742221fce8fc5aa3eec97bf89c81ba2b3f7d446f29ae53068a2
- 02 L f5cad8d2c37380e64f865de1244b7a921ac3edb74b1a2b73d2385b7ab9902cfe
- 03 R 675fd7031b3885e1bc03eb1a1b5a494ee1a6a9365cc4e831be704136cafd8d17
- 04 L 8ba0bf299c7d0eaefc25d9bf3de9e7fc90ae5cd1233cd821ca1dcfa7a0e738e9
- 05 R 30b7c793e69ffa5c0d9001c0c37835682e732ab8e5080ef8cfb849b63354499d
- 06 L e109501387f96e2e8af9fc8f7b6158f885f435f96ab33cfdb62e00312bd5de5c
- 07 L 6871cf9d3a514cc5a5c2c1fbd2f5c9da11521d8c3eb402d223ea1ef939bab2af
- 08 R 1c48267d9f732364d0448e5f390b3adc00a398c2ea608abbfd64dab755361ddd
- root 461af1112920bcfdbf30af993ad7d4c4e7a4c9f616d6bab2efb282dc5efc119c