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 - TARLAC DEO Award a ₱32.7M contract to BIG BERTHA CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
b0b88f214d2bb70dc2beb07ada779e19b05bf0e23735739859d65861a27287b4
Status:
Included and unchanged
Block:
#3,764 2,249 blocks after it
Position in block:
Transaction 427 of 595
Award day:
May 16, 2019 (7 yrs 5 mo ago)
Value:
₱32,724,429.59
Project:
19CJ0091
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 #3,764 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 2019 OO-1", i.e. the FY2019 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 - TARLAC DEO awarded it to BIG BERTHA CONSTRUCTION & DEVELOPMENT on 2019-05-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19CJ0091: 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 2019-12-15). 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 b0b88f214d…7287b4now …
- 2. Block Merkle root changedstored 37ea7601ab…2205bbnow …
- 3. Block #3764 hash changedstored 92eb3d4433…597ebbnow …
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 594 records. Each step hashes the current value together with the sibling shown.
- leaf b0b88f214d2bb70dc2beb07ada779e19b05bf0e23735739859d65861a27287b4
- 01 L b034e1513c3d20ff9cf6fba6f11a70cee33b72615ec3eb5404ed6949d634d525
- 02 L 8b6befc7b65870ef206640fe0908517166fbcc6158b9e351c02ed326e706b0e5
- 03 R f5f3fb39a6a87a173032b7b2fac0e8b82f4e8faf360de11bc8057c9c71b253bd
- 04 L 26674d512b40c7dfa16a05b15bd1cb1029cff33aa5dd6cb9941806b31c6a5d91
- 05 R ab4929f5c920f526229b230725a39a383025f58d58575dd0972b69addc7dc2cf
- 06 L f47121d307ff788fa9594a2eef38b459955e401401a7c8b3cd6fb0e76a197de0
- 07 R d5f004a5f6918ee64cc661a51268a2d8165029318dd7f04331e75989de098bb6
- 08 L 6415ae069166f2fb67b417a3341851e4abc7e719ad914cebce97c10fdad9c135
- 09 L 60e34e8f920b5b06b5cbfc05231ee6208b6ad68263de0133c25b5f35605cf9f1
- 10 R 4504c66f60acdffdf9550af7d37c29b1aad928f70893d6ead9ef28d504502fa3
- root 37ea7601abeabbc34b7d5d2bc197a4d5bb1e0c1680cca91904b7edc3fa2205bb