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 TANZA, CAVITE Award a ₱1.5M contract to TTAI GENERAL CONSTRUCTIONMunicipalities
Transaction hash:
993a8a3ca5629dce5c61725faa791363270f4944e7a332b6c89bdbbb3a20f953
Status:
Included and unchanged
Block:
#3,191 2,822 blocks after it
Position in block:
Transaction 101 of 177
Award day:
Sep 15, 2017 (9 yrs 2 mo ago)
Value:
₱1,492,085.80
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 #3,191 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 TANZA, CAVITE awarded it to TTAI GENERAL CONSTRUCTION on 2017-09-15.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 Tanza 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 993a8a3ca5…20f953now …
- 2. Block Merkle root changedstored 6c19b346ef…daa83dnow …
- 3. Block #3191 hash changedstored 5c692e82ff…e27eb4now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf 993a8a3ca5629dce5c61725faa791363270f4944e7a332b6c89bdbbb3a20f953
- 01 L 990d6dae4a4cc844054173181737b6b94a547dad0c57c85159486d58bed49c1b
- 02 R 51307f031cfd0b9977a28fb8e4b1a6c0373ae72dde7e5fb5e79933d881497ff8
- 03 L fb587aa631584770806b85171e63be419ea68fdac66c868c589559ed0f083dbe
- 04 R 0aeb74b3242b01f1309227a409235160eb859abdbb15b0189636e3c5151cf293
- 05 R c34790bb84f7064cc3ddc72a1e9d98b1d896968c2ea0d5ca12d9878aa1681e23
- 06 L 38de3d49c33bb99474006ce5067c93fe763f49029e65b10ecb2b74ec7e302667
- 07 L 89faa31d5e2623dbcb023d4d6dfd4c06c70d24c47ad358b4b6f1ef5f769ec425
- 08 R 2f3e990dba36d98494a223fb773994bf1a25a3a86fa7723e3272ae1e54d2b471
- root 6c19b346ef62e5d2b5cb02345d195f634d4c8077ad6153907d2e2a5347daa83d