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 - LDN 1ST DEO Award a ₱1.9M contract to AMMAR CONSTRUCTION AND ENTERPRISESNational agencies
Transaction hash:
6bceb86a0f1ae92f89f451db159d7a2fa615f95b1a3b75d634c66b32bd52c2ec
Status:
Included and unchanged
Block:
#1,902 4,111 blocks after it
Position in block:
Transaction 7 of 16
Award day:
Oct 28, 2013 (13 yrs ago)
Value:
₱1,894,668.73
Project:
13KG0046
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 #1,902 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 - LDN 1ST DEO awarded it to AMMAR CONSTRUCTION AND ENTERPRISES on 2013-10-28.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 6bceb86a0f…52c2ecnow …
- 2. Block Merkle root changedstored 7d0a220886…2e038anow …
- 3. Block #1902 hash changedstored 972fb70991…7f2c1anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.
- leaf 6bceb86a0f1ae92f89f451db159d7a2fa615f95b1a3b75d634c66b32bd52c2ec
- 01 L 699ec29745d20dc8e2ece0c82e1a1e2927336d09f0e167d28a113066ffd3acd3
- 02 L e8885b8ff0fa19e96ff131d4d05e1bdd8473c3c89243195e5958d473e7c9fe00
- 03 L fbd202decaf8932fbe835e825909d6512dd01b9c22cc5b1d066a149fdb928cef
- 04 R 785d2dc70a621dbe6b08168fc00b6b702c63992285c056f7fe0aa238555e61f7
- root 7d0a220886a63b0742a7ee4f32aac03fcabe23fa65c3b03e99aa74f1b32e038a