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
PROVINCE OF MARINDUQUE Award a ₱998.1K contract to SKYSCRAPER CONSTRUCTION AND ENGINEERING SERVICESProvinces
Transaction hash:
5a4da1d73b264f05fdd5f08e6e241a56728806acff520c2eb8525681021fdff2
Status:
Included and unchanged
Block:
#4,583 1,430 blocks after it
Position in block:
Transaction 73 of 203
Award day:
Sep 29, 2021 (5 yrs 1 mo ago)
Value:
₱998,058.24
Project:
Furnishing labor, materials and equipment
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 #4,583 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)PROVINCE OF MARINDUQUE awarded it to SKYSCRAPER CONSTRUCTION AND ENGINEERING SERVICES on 2021-09-29.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)COA's CY2024 audit of Marinduque gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 5a4da1d73b…1fdff2now …
- 2. Block Merkle root changedstored 9f9b46a3d3…a3ef0enow …
- 3. Block #4583 hash changedstored 2bf54c7930…a50474now …
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 202 records. Each step hashes the current value together with the sibling shown.
- leaf 5a4da1d73b264f05fdd5f08e6e241a56728806acff520c2eb8525681021fdff2
- 01 L 59519c6cff1453b7a1cb60bc99040382cdf23341c73dc1900181e6e15629e889
- 02 R 5430ef92a629691d11957606899fd8347c68b90f3d8777b04762f8074cb7ed5a
- 03 R ee2191fe85ecb1edd3c3290899840686de851d49d18b80bb1f11d4f4b0076db7
- 04 L 513497274c28e720b8f43338d3686310ab41ab647bc09b7a42f9f629bbfb0e9d
- 05 R 6138875d88e3eadc043632e326df4c4578f363aee5eb1d25f16d4e6d7726abbd
- 06 R f11847fce73bc6f426f6dff89a917cc4e39e3a7f0122b4946000624101138424
- 07 L 9924c68758f9173e46232bf2266fbbf70e9eed08c980d6ed59aa122d472f0019
- 08 R 511c555767b7ba214353e47741b73cbfa563d1f7580a830a7c6df7811e86f193
- root 9f9b46a3d3261b362982c6dfb7286c147aa7baf0ce6596104ece614c23a3ef0e