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 - BUTUAN CITY DEO Award a ₱19.0M contract to TABADA CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
2fc34f2553cc865507da4e223f333c06535481a490c34383abaae42241df07ca
Status:
Included and unchanged
Block:
#5,913 100 blocks after it
Position in block:
Transaction 59 of 339
Award day:
Jul 21, 2025 (1 yr 3 mo ago)
Value:
₱19,010,624.02
Project:
Contract ID No. 25ND0119
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 #5,913 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 - BUTUAN CITY DEO awarded it to TABADA CONSTRUCTION AND SUPPLIES on 2025-07-21.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)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 2fc34f2553…df07canow …
- 2. Block Merkle root changedstored d6e7c71df0…803f31now …
- 3. Block #5913 hash changedstored 3c06c5451b…d66a98now …
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 338 records. Each step hashes the current value together with the sibling shown.
- leaf 2fc34f2553cc865507da4e223f333c06535481a490c34383abaae42241df07ca
- 01 L 2fc2c27ea866e74004c4ba21048a74116e32c57677f68871ae6e03451946f195
- 02 L 68cc6af2fa72b14a40e08f35bfee67a9f779fd006476b247071b0695a55aa5b3
- 03 R d79c17d396101df3cc9c715799a4364a85ec3e4d006ca1b9b3a73ddde880009d
- 04 L 34fbbdcea5db34ec6173dac75e9f048794fe4b027dbb9ec91c05dcc9fc59dfb3
- 05 L 520125c16eb0864394d6347cae284017aded874b3e309060980a62cbec505be7
- 06 L 9c1930a986d8c07fa3febc8f7f46e925f29e1daa2ade77b5fe976ad82db85fad
- 07 R ea72fc15b987a05209b2a14949d4b60c84dd63882ffc2fe42b45cef6104ef82a
- 08 R 30984bce89a73093a0ca4335d7ffed5fcfcc8d06f2d810defbf23e89420b5923
- 09 R 8d080278a3ba7e67581f5cd4713066c27a725d2eb63997fe995987d9105ea86e
- root d6e7c71df0b682a20933d77134ed97323addb7c58a4348ab42ba674907803f31