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 TABUK, KALINGA Award a ₱299.0K contract to LANDAM CONSTRUCTIONCities
Transaction hash:
47be762bac47944dcdb59c0f04bbe43f4b536d4b4efb4d4a31b10af384fbd385
Status:
Included and unchanged
Block:
#4,228 1,785 blocks after it
Position in block:
Transaction 69 of 227
Award day:
Sep 21, 2020 (6 yrs 1 mo ago)
Value:
₱299,020.11
Project:
Improvement of Road
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 #4,228 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 TABUK, KALINGA awarded it to LANDAM CONSTRUCTION on 2020-09-21.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 Tabuk gave a "not stated" 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 47be762bac…fbd385now …
- 2. Block Merkle root changedstored 97a4d36024…22aca6now …
- 3. Block #4228 hash changedstored bc8f933f8e…7aeda7now …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf 47be762bac47944dcdb59c0f04bbe43f4b536d4b4efb4d4a31b10af384fbd385
- 01 L 443185279ec8e64c98d122bbb334198e45e86113ac7cf777078ea8b550024ba1
- 02 R ba7361101124b5a03f43e9a7bfc3f399b2576777f3a139c72edb58b0d2c21053
- 03 L afbcf6f228d699d4e727118768f026b5150c5661bd873f6d159ce49d5620f146
- 04 R df6d8c4ab730221b5aa17beb81e9d9fea88861d8b13c3771230134da696ca2c5
- 05 R e6dd59659d633fbfcc208d0d31883e5933795b870782d80ca1d869b961a93655
- 06 R 4a23c558f1c16b278208de49f33cf186e4113512edc412f60e3f5cbdd760b006
- 07 L 89135ce3513cd699be05b72e8e3e63e044ced46eebf5549d9599e3400299004a
- 08 R 23b3b3ccdfa0c121ac99d46d3b791840515fa65f1bad9854c838f97bbd1491c3
- root 97a4d360242743311769cd58c946fc112c83b815b61ba4e936d254f1b222aca6