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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED Award a ₱29.1M contract to MAR-VEL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
dcbc3f09d3d908482c77f91d321c629ddcd38b928adc932b23a224a1119c9119
Status:
Included and unchanged
Block:
#5,243 770 blocks after it
Position in block:
Transaction 296 of 347
Award day:
Aug 14, 2023 (3 yrs 3 mo ago)
Value:
₱29,085,396.23
Project:
Construction of 3STY6CL, Patimbao ES, Santa Cruz,
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 #5,243 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2023-08-14.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 dcbc3f09d3…9c9119now …
- 2. Block Merkle root changedstored c1e37e1b0b…e79a48now …
- 3. Block #5243 hash changedstored 16928788e9…b1ea8dnow …
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 346 records. Each step hashes the current value together with the sibling shown.
- leaf dcbc3f09d3d908482c77f91d321c629ddcd38b928adc932b23a224a1119c9119
- 01 R dcc998b75c6b34c727829cbeab4ee201631dda22cb697e261df985ead59813cb
- 02 R b645b1e4e82504b793cd73af7103106ed3144662a21e2216ba68f27060ea58c6
- 03 R bb64c6210e5a977ed95aa9495f3c89aa85be8d06b7a6d4fa67bc6e0587db70b1
- 04 L bda7ef70ab13bdf8584410fa9b51d2719777d4cbe557fbdba33c0e12924f8950
- 05 R 1ea918dd32d7ae6cf65fac00b7ee12840b6a27449f87290c4a1c664049ef2c13
- 06 L 6258ab2c9ff22e1f434934815fd83c2249697708a50052cb2c36d0d88a6c4a45
- 07 R 7ae3d6da9d632fe6585236780d3c20079c7daccae6f139998843287d90332944
- 08 R 9b3277be544b1320b91942c93f841aa083de08059d3234fe1487a149202e39bf
- 09 L da2db6aa0b07a9a05e507f7d18f8df7b06704fc4876c300cffd93ab23d769f2c
- root c1e37e1b0bbbb1e4d42b22b38abf32644f42b2f0bd51c34ad219deef49e79a48