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
CITY OF TUGUEGARAO, CAGAYAN Award a ₱10.2M contract to E.V. INTERIOR CONSTRUCTIONCities
Transaction hash:
ecaee3380940c308f2ea0259424ecff94962928a633f21c49d169c2c6bdcda8b
Status:
Included and unchanged
Block:
#4,020 1,993 blocks after it
Position in block:
Transaction 358 of 383
Award day:
Feb 10, 2020 (6 yrs 9 mo ago)
Value:
₱10,239,330.76
Project:
Concreting of Roads
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 #4,020 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)CITY OF TUGUEGARAO, CAGAYAN awarded it to E.V. INTERIOR CONSTRUCTION on 2020-02-10.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 Tuguegarao City 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 ecaee33809…dcda8bnow …
- 2. Block Merkle root changedstored 79aa5e5e52…b0b931now …
- 3. Block #4020 hash changedstored c4554eda14…0c8aebnow …
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 382 records. Each step hashes the current value together with the sibling shown.
- leaf ecaee3380940c308f2ea0259424ecff94962928a633f21c49d169c2c6bdcda8b
- 01 R ed87c01192c70b394d3f93f7977cbbc2909554b2d40f0e061466c0cbf5d9962c
- 02 L 3a673208003f3e071c430f2ee92a8f99dd7543a695fe42a7a0d0569a7ab969eb
- 03 L 50728cd55d20ca31d9a614c027a876b64782f0ab36e246c2602123ca67fc30aa
- 04 R 76d8932fb7dfbd7e3d20b0d0196441dfce8553e1a71415f88ea9ffb4405d1dff
- 05 R a8bf98b61a7e41170933e9d6694beaa242656416c5c969a197792a67e15910ac
- 06 L 8698cb00c32753578e83a65fa1a0d963eedda5d818e4ed8ced82b4fd5998ac31
- 07 L 788be897d8e727b5077c9ed410c0151a015d064cb082982367aeee80c9a8de76
- 08 R 2aec759f9f18a745266cc10cf5fa698f06746315400cfc5caf9c46d5e3234137
- 09 L 299611f320b295679c0a673406509f72d52c60a2dfb4cdd3c3b58cfb98ae28a4
- root 79aa5e5e522d7f364c5405de45963e5dd980c4c90abffaf393216ad279b0b931