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
DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE Award a ₱4.8M contract to 816 EMBER CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
1c309089ffec2fc0d99455e0140eb6873dcd6a4fcca0c888a38bb44e6f1f97f7
Status:
Included and unchanged
Block:
#6,002 11 blocks after it
Position in block:
Transaction 81 of 758
Award day:
Dec 3, 2025 (11 mos ago)
Value:
₱4,753,000.25
Project:
25DB0116
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 #6,002 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)DPWH - BATANGAS 1ST DISTRICT ENGINEERING OFFICE awarded it to 816 EMBER CONSTRUCTION CORPORATION on 2025-12-03.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 1c309089ff…1f97f7now …
- 2. Block Merkle root changedstored 6d67d84e06…4f9de8now …
- 3. Block #6002 hash changedstored a31530c8f6…5638fenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 757 records. Each step hashes the current value together with the sibling shown.
- leaf 1c309089ffec2fc0d99455e0140eb6873dcd6a4fcca0c888a38bb44e6f1f97f7
- 01 L 1b9bfc6d671c2506863784faf7ecb3d27e8a474036ae62bc6fa05c01f211134d
- 02 R 211b72b74e66f64456b02541bec6d76a3242f6892ca3659f0f681a75dc947a60
- 03 R 5b6cabfccd963cb02bb36e92b69a6e897b1a9c0a5ca11d7d40068ba676cef220
- 04 R 0dc562dffd6319c6783728c2a375c45be8fe518ca5258534cc73859fb2fa9500
- 05 L 7ad7e7525b508060f2e3ec866fe4dc7aaba9dfb128d765e0fc4c27b030dcd8fb
- 06 R f19db963dd04c7a2d8a324dcb568a6d4218e0e755ada5dca460b5a064e455e0a
- 07 L c5b1061b9426e177ef80d3ef5bcb8a07d8f747c0c10cac82490e224f38ce8298
- 08 R fce37464dd9978259546d0b9b1f2876023cab3a364abf8494e74010f9e1351e9
- 09 R 48bcfc603973c4005ec12ce1f98aa503f43f7273db7c2c3fd024dad7a183a8a4
- 10 R 6ca9e68269516d952e451cd49b8fc313d0d9368b5c231b9813427fd0ec2d45d8
- root 6d67d84e0682f1bee8cb254afe7411edcaff8382eacaae0a1cba6730bc4f9de8