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 - NORTH MANILA DEO Award a ₱4.9M contract to SAMLIN CONSTRUCTIONNational agencies
Transaction hash:
d2d630bd7e10ec76ce7fc349da76a48d312073484f1d2d14fd37f6d26433b467
Status:
Included and unchanged
Block:
#5,765 248 blocks after it
Position in block:
Transaction 513 of 621
Award day:
Feb 7, 2025 (1 yr 9 mo ago)
Value:
₱4,855,404.34
Project:
Construction Projects
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 #5,765 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)DPWH lists the funding source as "Regular Infra - GAA 2025 SSP", i.e. the FY2025 GAA. The exact UACS line is not given.Partly
- 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 - NORTH MANILA DEO awarded it to SAMLIN CONSTRUCTION on 2025-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25OE0134: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2025-06-30). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 d2d630bd7e…33b467now …
- 2. Block Merkle root changedstored bf87922ff1…dc206cnow …
- 3. Block #5765 hash changedstored e9b381d086…1793cenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 620 records. Each step hashes the current value together with the sibling shown.
- leaf d2d630bd7e10ec76ce7fc349da76a48d312073484f1d2d14fd37f6d26433b467
- 01 L d249b5291f5176a3e591efa6c68509cdef4b8b3869d842f2ff5ff96f586e0191
- 02 R b20f73da8baa5327542b19972574eac203aad9253168f86bc42f1b8922d0ce7e
- 03 R 6c7a4485a7bc0f62df8e3138496385cc7e33df7af35c10e30af75d2fbb6520bf
- 04 R 36d3ea8cbac1d7c4f9079767868f25ca5e72788d61d669cc313d49d546a6287b
- 05 R bbc633ec6b0d7a4f620c6579eb0185fc51a27c7f2cd38de6bc73b01a50835187
- 06 R 7bbcefb38e9ffe423f8c72efa255940d7fba2bbc928dee7e1b19c7b1bc9c4b13
- 07 R aa5df14d9f64d904b3b0b4194d0a2ddc263fb9a313debf933564f2f281f7f584
- 08 R ca16c40970c3cc11dc4b4b81ca596cad3bf30d4884bb7f5cf2ce1ae20f58ef32
- 09 R f3116936270da98ba64cdcae906fa35587c7112b5fa40003acf8b8dafee15a96
- 10 L e20e0f57d6e5e73ba6be0d4a40595c96f99968d591d30e69fa3114b55f369423
- root bf87922ff1af9099df9bdb34f4d6448f67dd3f23526b947f5f1ce0bad9dc206c