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 GOVERNMENT OF LUCENA Award a ₱299.4K contract to DATZLAV CONSTRUCTIONCities
Transaction hash:
261e4b3f18a93bccf2e57707b9925e7cb7b55cb82ebffb5c2f55022b69f9bf57
Status:
Included and unchanged
Block:
#4,740 1,273 blocks after it
Position in block:
Transaction 120 of 838
Award day:
Mar 8, 2022 (4 yrs 8 mo ago)
Value:
₱299,393.70
Project:
Construction of Stainless Arch
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 #4,740 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 GOVERNMENT OF LUCENA awarded it to DATZLAV CONSTRUCTION on 2022-03-08.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 City of Lucena 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 261e4b3f18…f9bf57now …
- 2. Block Merkle root changedstored e6e8da3378…19f8e9now …
- 3. Block #4740 hash changedstored e9416456e3…9fe99bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 837 records. Each step hashes the current value together with the sibling shown.
- leaf 261e4b3f18a93bccf2e57707b9925e7cb7b55cb82ebffb5c2f55022b69f9bf57
- 01 R 287d8945681dc4076044b5e39a17108df6f0ae62944b76eb1d33e88179d42a8e
- 02 R 0a6a2b349bd009ecd45b1c6e6987e314183b163033ab6dd18a651ea230567266
- 03 R 5164b30e41e6bfc2871336a6f7f9b41d39ca9788406683681f66b933343048d9
- 04 L 8d79c43342039bc9d4c0544e610701191681820d7b24f9424e58eb4626c55083
- 05 L 6fc77d5da6eac91cec5f99cf8e62262da98fa75cf972375a603c272663ff0ae3
- 06 L 4864c02fd1fa2cbc61882c4457c992d9d3a96f59af98f1fe121e406fbfe7bfbb
- 07 L b7b448ce0b723538702a24bbb60bf23f6483ce0e0214af7651b29fcbb7904cd0
- 08 R 32c16f633c825f1948b025be63feb7f1b6fc1ae19434f870916b7861a6c067cf
- 09 R 7c5e221a600df018de464dc4301273b48a8e5025e07b2582cdef59baa54eb6d6
- 10 R 0f6c19fdc3a3a384bde9eb26d1fef41377df2a7cb8b6a9dded00c18ebe0eebae
- root e6e8da3378ae17754b373ef3968901eb9b9ffa23d062bfbf6f488dcc3619f8e9