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 ₱14.0M contract to D.M. MALIWANAG BUILDERS AND ENTERPRISESMunicipalities
Transaction hash:
8e56fe7b3fdd68085ff267e11c86613cbdea8178075c2e8f0c9a22c7ea383f93
Status:
Included and unchanged
Block:
#5,742 271 blocks after it
Position in block:
Transaction 150 of 269
Award day:
Jan 14, 2025 (1 yr 10 mo ago)
Value:
₱13,995,934.65
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 #5,742 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 D.M. MALIWANAG BUILDERS AND ENTERPRISES on 2025-01-14.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 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 8e56fe7b3f…383f93now …
- 2. Block Merkle root changedstored 24e243ab90…8f561anow …
- 3. Block #5742 hash changedstored 7dff1ed887…3cf0efnow …
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 268 records. Each step hashes the current value together with the sibling shown.
- leaf 8e56fe7b3fdd68085ff267e11c86613cbdea8178075c2e8f0c9a22c7ea383f93
- 01 R 8ecda91ca337e851911b3d25526e547f0d68287a62fc0564c24b6676563113cf
- 02 L 4fa1c65e0d7b993777e9e200d1ef0ad91f932b2b0b60baaf0360bc3d5598ca6b
- 03 L ecbcbfade14118978107d7a13f6feca73db10abf898cd120e8a7253e4457b292
- 04 R 552508c376db39ade6b6d8ceefbc1685f6873233da98fe2bb8063cdb341f6861
- 05 L d02aa5a995f667e1b40911722120b315c8d2697719209883ca38d69cca4b139d
- 06 R 6e9106f39af9d40c332037ee973013febc9c3e8b4c9844a07396e1d5395cbb8e
- 07 R d2ccc4c24e4d05f9f03c05b691e2fb753ebc453c08075f9e188483d7430affce
- 08 L 5bf7558e2fbc23af011d098489327ae01ee64b47e049b6dd24d04a9d4b4b5da9
- 09 R a9dd886ab6715fbd9b3d56efebcb9e3d08cffef7b2e1aa318ce1d2896a724401
- root 24e243ab90394eac2eafcb595a68459fdaae36f11cd3896fdd041251b88f561a