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 COMPOSTELA VALLEY Award a ₱7.0M contract to DAVAO CONCRETE PRODUCTS CONSTRUCTION & TRADING CORP.Provinces
Transaction hash:
c2d30b63aa0cf17acabcf2c176248d9e17fb5a1664f98ec2d0352e5e88a465fa
Status:
Included and unchanged
Block:
#4,480 1,533 blocks after it
Position in block:
Transaction 174 of 243
Award day:
Jun 15, 2021 (5 yrs 4 mo ago)
Value:
₱6,999,928.40
Project:
Construction Projects-CW21-080
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 #4,480 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 COMPOSTELA VALLEY awarded it to DAVAO CONCRETE PRODUCTS CONSTRUCTION & TRADING CORP. on 2021-06-15.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 Davao de Oro 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 c2d30b63aa…a465fanow …
- 2. Block Merkle root changedstored eebac46382…56cf68now …
- 3. Block #4480 hash changedstored f7127f8f26…96cbb9now …
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 242 records. Each step hashes the current value together with the sibling shown.
- leaf c2d30b63aa0cf17acabcf2c176248d9e17fb5a1664f98ec2d0352e5e88a465fa
- 01 R c344397c4e0d3f13f937ac84b18210d25f651c5c2c7eb5503ed2e6f20a0efbf2
- 02 L e58a051c12c97f74cacc7d637ab35f7e1a9a41300e13923c0b671eafc3141e71
- 03 L a879482a4395ce426a5c18a1057de3702f8b848cf7be3976efd585331302d095
- 04 L ac79d1162c9f625ec05ca3ef55c35c5fa61d5d8d51467e513617e3ac48977143
- 05 R 80999a309442f8ce265826c4a475886942155000527e89e82ec070147e953b6d
- 06 L d870ad006d7de5823c35a8644c5bcd5ff3fd0ed9d701d17b7b1c9693746204da
- 07 R 0924f89fd64307540080d3b6429c70913d30db799d404f4dcc92f64090c4f50a
- 08 L 55a51e8c7fb5576812b9c0bff91aeb66ce70c1837ec3cb38d51015bd8693e707
- root eebac46382b8f072640a1cc79b88f702cf3f30b4f1c0fbf8654c8b6f8156cf68