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 - CARMONA Award a ₱38.3M contract to PERSAN CONSTRUCTION, INC.National agencies
Transaction hash:
3bfb4d81ba9e938cbeec5fa8d1f02b120e70b43b18ade254cf8fcb85c7b45943
Status:
Included and unchanged
Block:
#3,849 2,164 blocks after it
Position in block:
Transaction 55 of 248
Award day:
Aug 15, 2019 (7 yrs 2 mo ago)
Value:
₱38,321,962.30
Project:
19DQ0009
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 #3,849 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 - CARMONA awarded it to PERSAN CONSTRUCTION, INC. on 2019-08-15.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 3bfb4d81ba…b45943now …
- 2. Block Merkle root changedstored 9ef56d34bb…3a7bdenow …
- 3. Block #3849 hash changedstored 7fd175531d…4ff707now …
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 247 records. Each step hashes the current value together with the sibling shown.
- leaf 3bfb4d81ba9e938cbeec5fa8d1f02b120e70b43b18ade254cf8fcb85c7b45943
- 01 L 3afa605a9abd60ed30ca9192ba8ce690b05c861ca9203ed5c651c276730babc7
- 02 L 194526f91093659c1200313f25d75e8e7b5a898b12da211caa409f1d5f7309ba
- 03 L 3d38a02920f33abf28bf8b84d5f19d9026a57978bba5fa36ba8221f42e14bdad
- 04 R e6bc8181f7c887589a4d259a6aec5ba1679b1751120fc36d6ed5dd0132a28569
- 05 L 8b6de5ce44975f461e7c3c6e9bc11521aaaa79691fedcbfb0416a1dfdc5ae7d5
- 06 L b3e761d8b1f7d6403dc3507cb962ed900a217f7fe1d4bbabdba9cbc577767586
- 07 R c00695eb85d78f5bb816bd8d5adc2dd3614c858d16d8a8e9dc7d109e5f97f7d8
- 08 R 8d1b1d6156264f04a60bee9554a2ccb10018cf07b724a78dbf46fa69ced52059
- root 9ef56d34bbc2a7d29ab4defa7f14f40382a0aff1ab9d66091289e9ae343a7bde