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 - SOUTH METRO MANILA Award a ₱31.5M contract to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP.National agencies
Transaction hash:
de9870bd514fef6d1cd3835f106df8eb7a2ad81f278cfc573f597890ffd0c98b
Status:
Included and unchanged
Block:
#3,634 2,379 blocks after it
Position in block:
Transaction 639 of 730
Award day:
Dec 28, 2018 (7 yrs 10 mo ago)
Value:
₱31,506,769.33
Project:
18OH0192
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 #3,634 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 - SOUTH METRO MANILA awarded it to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP. on 2018-12-28.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 de9870bd51…d0c98bnow …
- 2. Block Merkle root changedstored 75def44879…f9616fnow …
- 3. Block #3634 hash changedstored 94692ed2c3…34fbc1now …
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 729 records. Each step hashes the current value together with the sibling shown.
- leaf de9870bd514fef6d1cd3835f106df8eb7a2ad81f278cfc573f597890ffd0c98b
- 01 L de73a2da9bf6dfc4026fc228777b156b06fdf466b6d001afcef2d26234755a7d
- 02 L 6a6b81dab76013a6e7f273bb9609f7e98f3790ce337f2f4d3a7bc788347ffdc6
- 03 L c9d355518ff4645efd85a7edbaad6d33d6e69775e73ade77a1d447cebc08c5d0
- 04 L ec436b81cf3d6db326211dcfee8503d545ca029f8e4c699630c679ead3327c30
- 05 L 0b0f54cd9e348f2986e3522856788154d25b9039f97d5fd4d74a65e9c8666f74
- 06 L fe7cd0aa0fc7754a316a9bbdc7a1e58e65907dac789e995972055f35218e71cb
- 07 L 79aef8393a5f6b8ed95c879c8db563caec579b191306513878b0e0a6345b2300
- 08 R 0a189c4172e8fbdd29a2e90f6dbe9eebff967520b7646279a3e4cb2a6671707d
- 09 R f8491cc529ca0ef091f679412d08ca168e1ad990c6be828548a04cf05203c0dd
- 10 L 7043b1b3e0a175e888529466f05edfd528c162a331f44cabbe94907818e0b028
- root 75def4487972b97a763296b969099a2c63f0971201928d1f405677d05bf9616f