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 IV-A Award a ₱80.0M contract to J.M. MALIGAYA CONSTRUCTION & CONSTRUCTION SUPPLY/ V.R. PATRON BUILDERS & DEVELOPERS CORP. (J.V)National agencies
Transaction hash:
d9248a6744c1afd41cd551d2ccc5a2366f5da32d5c503a7467f27cc571973239
Status:
Included and unchanged
Block:
#3,112 2,901 blocks after it
Position in block:
Transaction 193 of 226
Award day:
Jun 23, 2017 (9 yrs 4 mo ago)
Value:
₱80,038,294.34
Project:
17D00047
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 #3,112 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 IV-A awarded it to J.M. MALIGAYA CONSTRUCTION & CONSTRUCTION SUPPLY/ V.R. PATRON BUILDERS & DEVELOPERS CORP. (J.V) on 2017-06-23.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 d9248a6744…973239now …
- 2. Block Merkle root changedstored 93fefc38ee…771edanow …
- 3. Block #3112 hash changedstored df74f53df3…c72142now …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf d9248a6744c1afd41cd551d2ccc5a2366f5da32d5c503a7467f27cc571973239
- 01 L d7b2d4494477ca5a61e13e74406642b0210e3a6eba79422b58f4c9f7f11524e8
- 02 R 20ee46178aaea488dc3d88591f60f517aaede6306d07567a93176399240491c2
- 03 R db048cc241d25880dd4b5d83052dea83fe6c1b77a6994602666a7663a3493e14
- 04 R 1bf0989e0503db7c7be93fc0c7d1c8849869f4e62cdbd56f01deb1c080379e4c
- 05 R c0fff4ae29c706e3010ae074f4eb01c34a81b61f04ca6fb30b6d3cb218da9e4f
- 06 R 71715822a40ca27b8952951d0efec2377b78ee5728f352b3c70b4ba9b62bf90a
- 07 L df39cc32dc932fd76bb6704da2f47ad9410519bbb810ef0793620552a9ba1eca
- 08 L eff952a0ec879137cc61ba932e2a7b7918ca1d6e8836ee430c27f62e4c9ae714
- root 93fefc38eeac51061ddd4a2a37de9b43800de37fa7709314ce1f1005d6771eda