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 AL-MODHEL CONSTRUCTION AND ENGINEERING SERVICESNational agencies
Transaction hash:
df82cbfa1f3821bfd88a89f2cd501fb144f07792fe571b7dd8c394fffb95dda1
Status:
Included and unchanged
Block:
#2,513 3,500 blocks after it
Position in block:
Transaction 126 of 148
Award day:
Sep 9, 2015 (11 yrs 2 mo ago)
Value:
₱1,903,653.27
Project:
15KG0038
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 #2,513 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 AL-MODHEL CONSTRUCTION AND ENGINEERING SERVICES on 2015-09-09.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 df82cbfa1f…95dda1now …
- 2. Block Merkle root changedstored 67af1ada2a…5bd787now …
- 3. Block #2513 hash changedstored 728fe1874a…8e92c5now …
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 147 records. Each step hashes the current value together with the sibling shown.
- leaf df82cbfa1f3821bfd88a89f2cd501fb144f07792fe571b7dd8c394fffb95dda1
- 01 R e2f5d3d384681a9b549e1ec85ce9ec8c8c0827a1c3f44fcfc04a1d58117ef51e
- 02 L 78542de9a53118a1187b87b23baa167b57cec50cd3f2f846f73ef0f30ed80cae
- 03 L 63e5c2bcee6aa2d856c00f0e8d4f95efc9c99efb908ceaa45fb7ebff010e8c07
- 04 L 03f51558279a835b92be3a8d93b89c2190f4fd5849de7b17a0da86b168cc1b1d
- 05 L 31b9b587f3535cd1b1487cf4e52d9efdaecd63266284dde6549b5a2d829b9845
- 06 L 58d1131805f02c2229f6e3a3019e081d0d680572bb39c1120897c2166104da90
- 07 L ac526fa595c379a91d862f0f4bdc67a021c7329bf5104390fff245661543ef97
- 08 R 4efd3e8b0e12c93f2d133757f2d802d918ef75eac8a663edbc65f96556be57d5
- root 67af1ada2a306739bcf0bc50bcff668c4015be08732704ca7e55951bc05bd787