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 - METRO MANILA 1ST E Award a ₱2.4M contract to TUCHAR CONSTRUCTION CORP.National agencies
Transaction hash:
ff350dc3d68ab7ab3498984e88ee486a9495fc4f43bc790c4f08499f60b4f58f
Status:
Included and unchanged
Block:
#3,886 2,127 blocks after it
Position in block:
Transaction 244 of 245
Award day:
Sep 24, 2019 (7 yrs 1 mo ago)
Value:
₱2,399,863.25
Project:
Contract ID No. 019OB0245-Construction of Multi-P
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 #3,886 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 - METRO MANILA 1ST E awarded it to TUCHAR CONSTRUCTION CORP. on 2019-09-24.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 ff350dc3d6…b4f58fnow …
- 2. Block Merkle root changedstored 58f988a8ba…2621denow …
- 3. Block #3886 hash changedstored f1e606aeb4…4859e1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 244 records. Each step hashes the current value together with the sibling shown.
- leaf ff350dc3d68ab7ab3498984e88ee486a9495fc4f43bc790c4f08499f60b4f58f
- 01 R ff350dc3d68ab7ab3498984e88ee486a9495fc4f43bc790c4f08499f60b4f58f
- 02 R 268eed8b45c076bd8f4433edd36a85215884aae8ecdc8e0d2c7ed292064c1e9e
- 03 L 2fcd9735fa07d35d590df938f30819a9487738ec536165f455aa2b3a8d946668
- 04 R 283cb7ba6ede5c6d54ccf649b873563a5ee2194a2476a22d59855b78bfbb171e
- 05 L 4179809998daac7add42a25aa3edfc8f47902a3d11515548b4cd27c0bcb958e1
- 06 L 62d91fa53eed73b5fe6c1afc392030d36972bad4d0be4f797ddc852879713d60
- 07 L 5a706ec3f68b27a61d9888cabea250d7e48cd785b95d1c40a1d9a249a533f836
- 08 L a01cb2b215f08294454fa8cc542e99f7fe1a279df6e61e150289440801177ed8
- root 58f988a8ba5f9fd04c5ccffa06fa30cf148baefa5778543468828733db2621de