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 - DAVAO DEL SUR DIST Award a ₱109.9M contract to TKS BUILDERS & SUPPLIESNational agencies
Transaction hash:
677e7aa88ae09aba6dce40122da29f0bdbbda9597fa4cf0e47dc0e58c4ee7f8a
Status:
Included and unchanged
Block:
#5,930 83 blocks after it
Position in block:
Transaction 117 of 303
Award day:
Aug 7, 2025 (1 yr 3 mo ago)
Value:
₱109,865,059.90
Project:
25LD0167-NOA, NTP & Contract
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 #5,930 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 - DAVAO DEL SUR DIST awarded it to TKS BUILDERS & SUPPLIES on 2025-08-07.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 677e7aa88a…ee7f8anow …
- 2. Block Merkle root changedstored 3b5927cd50…d95e16now …
- 3. Block #5930 hash changedstored c05a25e6a3…76db16now …
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 302 records. Each step hashes the current value together with the sibling shown.
- leaf 677e7aa88ae09aba6dce40122da29f0bdbbda9597fa4cf0e47dc0e58c4ee7f8a
- 01 L 672672b2b69398afac00a0cddfb02b423dcfcf6d4378ee1809057c6e70421222
- 02 R 1610f331e04d670d87753487cd87357aa1416aa23b3ca7ac74dcc4b07a192365
- 03 L 4ada5d75fa74662fa7ca75c6144c29918487ff9c8bd80a5cbdcc9ac325fb6ce0
- 04 R 611d83673ed49afcd59644616372805a95b0b01f5de9f591417432dc92727d77
- 05 L df570381fa23b39d3c27fa89ced573c25f6154cef38cf5781abca7f6f666b67d
- 06 L b588e212a87d9611e452dd117ad1350d259772231ad8d407618ee956cf426802
- 07 L 3b4d1d864868162c4d804d9d80fc984fc5ce55f2f28eac730443dc0d88d3dc59
- 08 R 0ef5c2c3f6aca1381f10ba3d80b23957210655252c45c00aae247bca85bb125c
- 09 R 5826c70c841631f90c715642bfa997cf4f7eb10b1fe834d1a093b9f6a88ccf73
- root 3b5927cd506dbce4fb079003704af85214321b334aff6cba0591670cbed95e16