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 SAN JUAN, LA UNION Award a ₱2.0M contract to J. D. MADRID CONSTRUCTIONMunicipalities
Transaction hash:
d869bdaaa29a904f3baff4163cd93b033f3c9cbf7d19e21a7e4704905d3d32bd
Status:
Included and unchanged
Block:
#4,682 1,331 blocks after it
Position in block:
Transaction 98 of 124
Award day:
Jan 6, 2022 (4 yrs 10 mo ago)
Value:
₱1,995,000.00
Project:
Drainage Canal
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 #4,682 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 SAN JUAN, LA UNION awarded it to J. D. MADRID CONSTRUCTION on 2022-01-06.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 San Juan 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 d869bdaaa2…3d32bdnow …
- 2. Block Merkle root changedstored 9b94e638c6…094a0enow …
- 3. Block #4682 hash changedstored b0a1b25160…d13ea1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 123 records. Each step hashes the current value together with the sibling shown.
- leaf d869bdaaa29a904f3baff4163cd93b033f3c9cbf7d19e21a7e4704905d3d32bd
- 01 R da3ea088fe6dc41f692aa9cc147f13730ddc3175af539ef032ffb34cb3651ad9
- 02 L e388c337c5a66f6d81aae32f6b9790608f0e78dbb9649166a9e4099cc697f51f
- 03 R 3cfe6c46fc770d7db2509c19750c26578731ae197170dfe4ceaf3efc2586bdd2
- 04 R f057b047e3fe89da6bcc8ef3acc9438bbdcaefce7c828f46e1d1afb3bc4d3136
- 05 R 360b7cdae3a1ba285f5ead3132be58de1675f5f32c1c8abfc12cc2c79de3f672
- 06 L 5960c7f3655f311eaad164cc0614a4219d08e9b389c6a144e9329d5a60f3afa2
- 07 L 23d95d648349f43cd9a74617d12567031cc79652c677ad77786f75c2704a1f5c
- root 9b94e638c6df46bdc8aeff8de6c315435c7713e22909e25143d1fc9c2f094a0e