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 ₱4.0M contract to SKYSCRAPER CONSTRUCTION AND ENGINEERING SERVICESProvinces
Transaction hash:
4c2e4dde06cf3c9c8df088199c5924a43257f7430404a9d49b38df4d60881713
Status:
Included and unchanged
Block:
#4,753 1,260 blocks after it
Position in block:
Transaction 815 of 2,654
Award day:
Mar 21, 2022 (4 yrs 7 mo ago)
Value:
₱3,959,800.19
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 #4,753 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 2022-03-21.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 4c2e4dde06…881713now …
- 2. Block Merkle root changedstored 42b451b099…3ea519now …
- 3. Block #4753 hash changedstored 7a6785d5ab…fe9adanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,653 records. Each step hashes the current value together with the sibling shown.
- leaf 4c2e4dde06cf3c9c8df088199c5924a43257f7430404a9d49b38df4d60881713
- 01 L 4c2cb1503bd2cb3b55ce8a7a3155361ee6b13071d77a21e08e653f158ad3237d
- 02 L fa1d2d795e3150ba63dd950cdc31a0afcb5e33ae244374e97f524f468ac86c7a
- 03 L e37fa21f28c9f7daf2557425f27b97d5d9f7af5e9ab21ce5aa31e6a21eba54bf
- 04 L 204f966a29e2020f8864b1af15ff176a8b79e25a02c2e0105769b48d693013f6
- 05 R d5ffc466b7a11c3d867525d3c5518474c2559cc356f0ca4fb800ab4c4422d9e6
- 06 L dcc8d2afc187e092c5fd82e2ccb14e4ec41a6d89a289ba36b555d10182137451
- 07 R 748e7613d1cb6355d3dcc0e40ec80bb4b7dc984b74b79610769783105d193cf3
- 08 R bbca1a0c5af665e7cdf6925a19144788e97fe52a3a66dc1f71c7baf185472ed6
- 09 L 39cdf20c738188f68d010a3be8f25b38d3b8c0c0d1b2cf20dfd9b8690ed3fa6d
- 10 L 0de2c69abbac8d894e447e16118c8dd17b51821f30d57207987cb9c2a6fd4417
- 11 R 4dfc1f834de752b1797582fdad84298fc6bb3d20b666e7bb5ea79aaa4d3bef39
- 12 R d55cd178496ea6f6fb3cafd38454a44011bc907d9df5674226db99e74eb4ca06
- root 42b451b09904c029f48036c90640703eddae9f73be9f88dd0cae400c353ea519