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 - MALABON-NAVOTAS SD Award a ₱2.4M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
ba03279fb78458fbbac65c00e71f961d13ed2c79709733913aebfba0a23f334f
Status:
Included and unchanged
Block:
#2,337 3,676 blocks after it
Position in block:
Transaction 161 of 222
Award day:
Feb 27, 2015 (11 yrs 8 mo ago)
Value:
₱2,373,573.88
Project:
15OA0008
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 #2,337 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 - MALABON-NAVOTAS SD awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2015-02-27.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 ba03279fb7…3f334fnow …
- 2. Block Merkle root changedstored 64bc5a32e3…c2ee06now …
- 3. Block #2337 hash changedstored f9529cc0a7…1e8fefnow …
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 221 records. Each step hashes the current value together with the sibling shown.
- leaf ba03279fb78458fbbac65c00e71f961d13ed2c79709733913aebfba0a23f334f
- 01 L b8cf3ceb31e7e9e91efad20f011788165e97e852d3c9cc490dff42b138f766b9
- 02 R 8de85f9ea094d3dc4588d83ea5ce61190b5e6c66bf6a631cc0dac20724d7a9ef
- 03 R eed8559479594c3dcd3d27779139128ae947f583bcb33c6679c96fc8418eba40
- 04 R 656939cffed6e6b9ec417e63d5b00ee6108039bb755656e6257751bdbf45d106
- 05 R d913f0927c815c78c218d4ddbef7e2fe599c1ef5609b1370a58c54c62fb8492f
- 06 L 57abb429fa13f4074e27b5563ecd8b72088714edd9027371a1e643572255c679
- 07 R adbfd8709a36d592e3bb96681ad66cb43bb38a826c3a11e8ae6ceec3879581e4
- 08 L 5d782c8d17b6e92ddacd292979ac0945df2fc6f82f43124b7c7fc44a5b9654ab
- root 64bc5a32e38c96ce61c2716cc2f1686df0fad60965bc97365a1ab88379c2ee06