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 - QUEZON 3RD ED Award a ₱93.4M contract to WAYCON BUILDERS & CONSTRUCTION SUPPLY CORPORATIONNational agencies
Transaction hash:
3e8680fe2c66096a8eeff5eea3a776bce02c652d4665cc767fff50f31a11f0cf
Status:
Included and unchanged
Block:
#5,850 163 blocks after it
Position in block:
Transaction 402 of 1,619
Award day:
May 14, 2025 (1 yr 6 mo ago)
Value:
₱93,440,950.00
Project:
25DM0100 - Asset Preservation Program - Preventive
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 #5,850 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 - QUEZON 3RD ED awarded it to WAYCON BUILDERS & CONSTRUCTION SUPPLY CORPORATION on 2025-05-14.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 3e8680fe2c…11f0cfnow …
- 2. Block Merkle root changedstored b77cb8db60…740e45now …
- 3. Block #5850 hash changedstored d071d0268d…ce50e4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,618 records. Each step hashes the current value together with the sibling shown.
- leaf 3e8680fe2c66096a8eeff5eea3a776bce02c652d4665cc767fff50f31a11f0cf
- 01 R 3e872aa9fd89a286ad22a1bccd9281edb62a239451f37861d222baa88ff72b58
- 02 L ee2424255f93f1f00bb35bdadc2fb640d3b4e879f6eaad2d0bc025fa1f6fb7be
- 03 R 192423d969cc9afa0c1fcca4fb1c16dce5f0acd7940eb28bf9f5851a876b0709
- 04 R 112f02e6bf70276c84c699e21b7ba8e1ee32f10c9f7ab06fc9bfc51588c9b343
- 05 L 7e29ae9caf0d73deb93bbe17e6818d8ae6ae24302d866c33ca31c35661e2ac80
- 06 R eb86eba3a8ea9795975cf47b8a31df50485af439e0036e66153e27219572ef76
- 07 R e1632e63463fee8f3de4eedc46f6776dbf6d2cc7b07f2898be429bf172f50ded
- 08 L a6230f9cbedc22f45e9b0a3e6ee51c917537d1db1c53634ee2344e55e4c5f6ed
- 09 L 7335b85279e6caa38137a882bbd2f6196542545a244095226173c9354276e345
- 10 R e331187f6f455b6b95e1a7e0715212c6defcb1801f3f76a43c6e56332f597eb1
- 11 R 923300616fd606c3a57c872db1c75c88888f30f6e93dcbacd1c125a994da7a3e
- root b77cb8db604e784f2f5ce6cd2111b0a7271b66839c3bfecc2c39cbd0b2740e45