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 ₱1.9M contract to B. VALENCERINA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
c2aa835e8fa6d981d589e2a3b01fe8757f8907b8ede2000b4c6fd3b58a93e564
Status:
Included and unchanged
Block:
#3,054 2,959 blocks after it
Position in block:
Transaction 139 of 182
Award day:
Apr 21, 2017 (9 yrs 6 mo ago)
Value:
₱1,899,055.30
Project:
Contract ID No. 017OB0239-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 #3,054 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 B. VALENCERINA TRADING AND CONSTRUCTION on 2017-04-21.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 c2aa835e8f…93e564now …
- 2. Block Merkle root changedstored 0b922b7d7e…19d011now …
- 3. Block #3054 hash changedstored 5424f10caa…961d00now …
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 181 records. Each step hashes the current value together with the sibling shown.
- leaf c2aa835e8fa6d981d589e2a3b01fe8757f8907b8ede2000b4c6fd3b58a93e564
- 01 L c20b51eb56ad6e68791b0478ea07b3177c324317b9e0b9bc376ecec653784b7e
- 02 L 8ab81c6e3993285511db073612687f0780bf97df6a3bec599094a4c257c61812
- 03 R d70f2c078c737321a935a52689360c03f63f34c0f09ca8101576011652a2c225
- 04 L 3944f2cef9b6a262702fd8e703b7a22114e509b4f472c47591986495535a12f9
- 05 R 208b20c2785a14d3fd93860e75d5cda84fbbb7f45c5efec2e2464061f746aff2
- 06 R fbb3cfc7fc9c2def40b56987651d5f037a8558b7f969ff9ebc8db65378feafff
- 07 R 6c348125315a50d040781a82af6e0c19c1a5a1b6f2453c1f72117a26368af14a
- 08 L 797ab0367ca8a9a310586b3d1e58483aaaff35d25bc4a39390b137771f05d5c4
- root 0b922b7d7e5c4a90429ea5b0b8dc6fc4a045c464be5091f9cc0a89d4c219d011