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 - PALAWAN 3RD DEO Award a ₱22.8M contract to IVY MICHELLE CONSTRUCTION AND TRADING, INC.National agencies
Transaction hash:
8a97e3b91caee7e9e940bfd4a3393f955ddd92d597eec546cdd8b3b6929ea678
Status:
Included and unchanged
Block:
#3,321 2,692 blocks after it
Position in block:
Transaction 319 of 624
Award day:
Jan 31, 2018 (8 yrs 9 mo ago)
Value:
₱22,844,199.07
Project:
18EG0030-Widening of Caramuran Bridge (B00327PW)
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 #3,321 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 2018 OO-1", i.e. the FY2018 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 - PALAWAN 3RD DEO awarded it to IVY MICHELLE CONSTRUCTION AND TRADING, INC. on 2018-01-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18EG0030: 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 2020-12-07). 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 8a97e3b91c…9ea678now …
- 2. Block Merkle root changedstored a6c0493976…038f71now …
- 3. Block #3321 hash changedstored 4b2dfbc26a…62c0aanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 623 records. Each step hashes the current value together with the sibling shown.
- leaf 8a97e3b91caee7e9e940bfd4a3393f955ddd92d597eec546cdd8b3b6929ea678
- 01 L 8a36268a89575c88ded1d998cd9fcd4dbee96be7edbe90d351b17e505985bf48
- 02 L 8b42d5a55b34260f1fa4af9ac63dc2cce6e19aefbae3285f63679d4237444c58
- 03 L ceface23d950418132909561bf73c6f41bceb3de7ed6bf017cd189527492df9e
- 04 L 72db95f374e0570c3c35b758a4e11cce6436d93c369ff8ae1670243d3dae7d97
- 05 L d75d60ce0ab89dea72e79026b10208844d186ae95ed225c49fd865971f518d61
- 06 L d6599fb0656e7951d70591e60c983c78b06b6b5316c13508dbe0ac91fe2074ba
- 07 R 09a48908900e36ea51f52c921a6a31dd171a4c51f5dfc5960823be250eeb8111
- 08 R 3b6e56a722cfabdfdc1bf80f7528c4f906fa18e2b0d9d1b08722ce7125e84330
- 09 L 878d879177992cbc61dcbabafb9ff65bfd5f395b38f7400090dcc71a5ea58094
- 10 R 1b06ef9a0fc294350a9412ec1913238b7b0a55a44dd33cf3677f46ac36781650
- root a6c049397694642ebcbd4123b017232a3a8426cc9fe2c9def2464071fc038f71