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 - REGION IX Award a ₱36.8M contract to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC.National agencies
Transaction hash:
01161e6ed3d0d4eac1b4329c4670f5a5290726ca555ab1ac4fa5d8206ba84368
Status:
Included and unchanged
Block:
#4,115 1,898 blocks after it
Position in block:
Transaction 1 of 166
Award day:
May 27, 2020 (6 yrs 5 mo ago)
Value:
₱36,771,164.48
Project:
20J00106
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 #4,115 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 - REGION IX awarded it to M.ABUBAKAR CONSTRUCTION AND ENGINEERING, INC. on 2020-05-27.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 01161e6ed3…a84368now …
- 2. Block Merkle root changedstored 0b0d35c987…9e74dbnow …
- 3. Block #4115 hash changedstored 2d25ca8918…9a26d7now …
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 165 records. Each step hashes the current value together with the sibling shown.
- leaf 01161e6ed3d0d4eac1b4329c4670f5a5290726ca555ab1ac4fa5d8206ba84368
- 01 L 002599c27169df798daf59f4c26061e96a1e3aaf725286ad4a091c9caf9ff9ae
- 02 R 127065b414134620881e0a6f31480b549c92d1e2630524bbf1c07423bece1e0a
- 03 R 3b14747624df4363f9b21d36c6cfccdc9eb9964bc419da408ba4fe75a8f76ca5
- 04 R 0edff2e66775a0f46ba081fd7e00378e61d41db3ef21e150a90b5c5d3e424230
- 05 R e87a180877c131a589e647cb7f238265d726959e127811e20711b076c9e57837
- 06 R f08a196507d6820fe3bb1264878bf3fa26c9fa46bcce42ad5697344785232e3d
- 07 R aec61ef754b4d1e3eea23842d824c057aac0ea398b94dab4006c0f581a827565
- 08 R 868e540173a52bdd3b993fc649d9368b0ccab98f3ec3385d9a7eb52aac22bd04
- root 0b0d35c987964167ba663ae3e37a77f2d7ea7b84e62720542b9babdd619e74db