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 - REGION I Award a ₱238.4M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
74931ec5435339335581ca4e9fbfc63c2f6dfcb62b684f687d7ac230c99063e3
Status:
Included and unchanged
Block:
#3,368 2,645 blocks after it
Position in block:
Transaction 150 of 316
Award day:
Mar 21, 2018 (8 yrs 7 mo ago)
Value:
₱238,354,996.88
Project:
18A00096
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 #3,368 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 Other Infrastructure (CSSP)", 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 - REGION I awarded it to NORTHERN BUILDERS on 2018-03-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18A00096: 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 2020-09-18). 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 74931ec543…9063e3now …
- 2. Block Merkle root changedstored d58ffc6f97…182c5bnow …
- 3. Block #3368 hash changedstored e6ca4732f7…c1192bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 315 records. Each step hashes the current value together with the sibling shown.
- leaf 74931ec5435339335581ca4e9fbfc63c2f6dfcb62b684f687d7ac230c99063e3
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- 02 L 26927f5f20c1218d992cabde5bbad729e6d962166bcce772b76dbd1a9fed3959
- 03 L 063fd4b1fb381cf3728b51c74acfb6c493c05ca2b9540ca2476a90ed835bc2da
- 04 R 33f15f23bf012a53f6b3b92d4f658be025e2ad2c6077d298b1bd1222d0124883
- 05 L 2024fb1a6732adcee150f25813631ef9c7e6a78ca8e1b24f1d9c7eb3ebdb9caf
- 06 R 399c9bee5fbbfbbf765c39c4d9a95a8b24cb37bb4b67587801f96f4ef6308436
- 07 R 465a038dcc3c8762b7a4da2cc4ef8c812254caccdaf570e5d2b221d217be9abd
- 08 L a8abcdfeefb94628e137e05f90ea6f47566a2164bdaab2c47d1f0b0d225d17cf
- 09 R 0c65472faec2f442d40136d1046ecec279e50cf9e0811e3259afdcfa39944079
- root d58ffc6f9741fda99b0769362f8e928e68b764a1d122e6f80564eb3601182c5b