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 ₱90.6M contract to DMLC BUILDERSNational agencies
Transaction hash:
6eb878aa29cb25d2c883dd5a5a099965c84f3b99d7bb6b63cf7ab1988350a401
Status:
Included and unchanged
Block:
#4,822 1,191 blocks after it
Position in block:
Transaction 38 of 98
Award day:
Jun 9, 2022 (4 yrs 5 mo ago)
Value:
₱90,613,371.86
Project:
22D00094
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 #4,822 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 DMLC BUILDERS on 2022-06-09.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 6eb878aa29…50a401now …
- 2. Block Merkle root changedstored 27bebb49cf…a42a5dnow …
- 3. Block #4822 hash changedstored b28ff24e7e…e5e51enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 97 records. Each step hashes the current value together with the sibling shown.
- leaf 6eb878aa29cb25d2c883dd5a5a099965c84f3b99d7bb6b63cf7ab1988350a401
- 01 R 705923e56f1c6e96e72f5376e2d120407d136d13c6aacbeef04a1ff142335ed7
- 02 L 5766e1ad94f83f753f7aa8ba75429d8463ca0a7af9d0c1bd12c811d89ead8110
- 03 L 8dd717984c1c1333ada3287082e62cc01d92ba267afae55a6395ed055d2051a3
- 04 R cdaeff863c8d6bf5e2709c6505f17949252de1ae7f580f9e20d1dacd5fae6383
- 05 R 8f537c143f589dfac4a791caf8ac25f701208b3563c97eb68a9fbbede1565dbb
- 06 L 5ccb3c876131dbdfc47bd4cba28e7ea9e683c6825d5f25682b213b2565a5c0ec
- 07 R 54629c6fa1efa8485a996e87ae8e64d5d220e5012456587b9aae8d9a95df0b07
- root 27bebb49cfb5db49b93871d965a9348253c034fa64a1d35ea2f26f113ea42a5d