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 - EASTERN SAMAR DEO Award a ₱7.2M contract to J.A. DEVELOPERS AND ENGINEERSNational agencies
Transaction hash:
760136d2f7bdb3798caaa8a125a7444d809a051ca1662cebd2ff9c424a9b2747
Status:
Included and unchanged
Block:
#4,360 1,653 blocks after it
Position in block:
Transaction 88 of 192
Award day:
Feb 10, 2021 (5 yrs 9 mo ago)
Value:
₱7,225,685.97
Project:
21IB0087 - Construction/Improvement of Access Road
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 #4,360 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)DPWH lists the funding source as "Regular Infra - GAA 2021 CSSP", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 - EASTERN SAMAR DEO awarded it to J.A. DEVELOPERS AND ENGINEERS on 2021-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21IB0087: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-05-05). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 760136d2f7…9b2747now …
- 2. Block Merkle root changedstored 754ceca2f0…ac05ebnow …
- 3. Block #4360 hash changedstored c7abc0a778…a2df01now …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf 760136d2f7bdb3798caaa8a125a7444d809a051ca1662cebd2ff9c424a9b2747
- 01 R 761f0acd052e8274acef0b9b657eb788dff010592abaae5cd2f9e8056684258e
- 02 R 2c7a34189e3f29157726cb2a9419d7be55f1b23d561f5fb4f2d5b43f4f13c10e
- 03 R c4ec678ea56160e4686ce4eb53ae68d5607384a87ea039387924ce74985a278f
- 04 L 5cfa568667fba96cbf803970277f5dd3b138e1f9717e46a88ec8839bb61d0b44
- 05 L f70d7f8ff148a2a9089e5dd95b9e08754cbac771fe671d93fa49220425d31a87
- 06 R 7adcd160c6d9e407c2614aa2cdb7ec205a032e17d9d410d586e41da97db59d0d
- 07 L 1d6d92321d0c485fd6736aa7ca84e2afe8c88edfb8acce14c37e693a9569a072
- 08 R d362935d6f5513b483c5c22892090808d57672746995b56ee41640850d5a02c0
- root 754ceca2f0885513592f4a9d9d352dd91ada0eb49443e1aa04e198c183ac05eb