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 - BULACAN 1ST DEO Award a ₱7.8M contract to TBB CONSTRUCTION CORP.National agencies
Transaction hash:
f7f086bcc6634818dcbbabe4ea22ca0547cf38076e8459ec5f115b4c906276ce
Status:
Included and unchanged
Block:
#5,189 824 blocks after it
Position in block:
Transaction 355 of 365
Award day:
Jun 19, 2023 (3 yrs 4 mo ago)
Value:
₱7,761,263.68
Project:
23CC0424 - Construction of Multi-Purpose Building
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 #5,189 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 2023 CSSP", i.e. the FY2023 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 - BULACAN 1ST DEO awarded it to TBB CONSTRUCTION CORP. on 2023-06-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23CC0424: 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 2023-11-22). 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 f7f086bcc6…6276cenow …
- 2. Block Merkle root changedstored cde6dd32b8…859223now …
- 3. Block #5189 hash changedstored 31608d31aa…340706now …
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 364 records. Each step hashes the current value together with the sibling shown.
- leaf f7f086bcc6634818dcbbabe4ea22ca0547cf38076e8459ec5f115b4c906276ce
- 01 L f77ab1244a0c3941280e7e1ac03b61831aac8c67e1839aa54acc512ae3469bbb
- 02 L 63442ab534eb86955c6fdab6bdd70bfcd024656a04d4381b33a192f5d4a56cd7
- 03 R 7404a2dab4e96d1ebd8421225b418edf623e7ea085d9e03e8708724e602873e3
- 04 R 210e432b170af1d1bdd80dc8f1ae4992c199156e31c341b6153ba013f32af912
- 05 R 7eb39da5b0716c5f8af67926fd41debb6d9204ce64a190e596f3a7a1debad320
- 06 L 7848bd3f604bea1f7cced1b23db46dafb864350025ed43e01b7d182e97ece11e
- 07 L 2ded8da4fa19c1669546df597fc4a86c4d303e5197a06dfe166241b0a5ebb777
- 08 R 7285761ceb324caa13307ad6cee38ba78b5330b418cbecd5f937ef79dce56b77
- 09 L a0769c4526e8328a033fe76c83f56be14dd7eace8c61b989294177f4c48bc15b
- root cde6dd32b81f4577ef3dc493bc96fe89beb156ea3ed1cf293b62d9e33a859223