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 NABUNTURAN, COMPOSTELA VALLEY Award a ₱3.2M contract to DOUBLE J CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
3042c1927bafa1731f995bd4a27dd3b06d2b72e0e79538ace48274d2a11942e3
Status:
Included and unchanged
Block:
#5,856 157 blocks after it
Position in block:
Transaction 61 of 420
Award day:
May 21, 2025 (1 yr 5 mo ago)
Value:
₱3,193,886.27
Project:
Road Concreting JCT Nat'l Hghwy to San Roque Elem
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 #5,856 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 NABUNTURAN, COMPOSTELA VALLEY awarded it to DOUBLE J CONSTRUCTION AND SUPPLY on 2025-05-21.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 Nabunturan 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 3042c1927b…1942e3now …
- 2. Block Merkle root changedstored e4614e2210…e9309fnow …
- 3. Block #5856 hash changedstored 5017cdcb93…9156f2now …
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 419 records. Each step hashes the current value together with the sibling shown.
- leaf 3042c1927bafa1731f995bd4a27dd3b06d2b72e0e79538ace48274d2a11942e3
- 01 L 2e8c2b4dd822e530a17524cf1990760ad12d045367e9b853d85df4ce9e9d50c8
- 02 R 5ce18791a5530230bceb312bd645c37d9cb903a69f62e68a676b4af57eb42566
- 03 L 288fb16cd1b3e2d6afef525b2d58d37307269a3cd32c98cb2c2e27690b11d916
- 04 L 8b56cadb09ec1e6669dd328f9215c1179e036f0eb44566830dceed5bea0a6077
- 05 L 09463b28fabba78037914734c5c4934ce3022914276729fb2e98eb4afbef9bf4
- 06 L f20757b76d8b1ccf4a08b39b07514a73fed66090af37244d25990211bd6df5e4
- 07 R 296ae957c2db906fa9aeb8f491684bc48a2763f9df0ad2b2d033f43b8d406a16
- 08 R d9ccca1f0a6d5239397eabaef69c738ee690bc10df1354646d8cd766a39525cd
- 09 R 532fcf574823ef55fc8d832f1fc06955d14ea4f9350aa05dc9c6c28e7aeacee2
- root e4614e221012e8e423d32d5b8d2247f2c9476268c4fdd2e69cffadcbc1e9309f