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 ISABELA Award a ₱2.0M contract to YZK BUILDERSProvinces
Transaction hash:
087f864ab5b5eb02e04ecbd7cf57a3e3dadd101228a14441b9446ff1f8fd7885
Status:
Included and unchanged
Block:
#4,867 1,146 blocks after it
Position in block:
Transaction 5 of 230
Award day:
Jul 25, 2022 (4 yrs 3 mo ago)
From:
To:
Value:
₱2,013,192.45
Project:
Construction of 2-CL Building at San Mariano II Ce
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 #4,867 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 ISABELA awarded it to YZK BUILDERS on 2022-07-25.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 Isabela 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 087f864ab5…fd7885now …
- 2. Block Merkle root changedstored af4eacf34e…c229c6now …
- 3. Block #4867 hash changedstored 3db28a45d8…caf747now …
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 229 records. Each step hashes the current value together with the sibling shown.
- leaf 087f864ab5b5eb02e04ecbd7cf57a3e3dadd101228a14441b9446ff1f8fd7885
- 01 L 07149adaaab2cfe50b0423e4ad237359dd92d3bee05722743bc6b87e7f8694f6
- 02 R a971897183e60749294a31374ebf3282378eebf4d78e1a0c5673c31577a71254
- 03 L db89faf1916979eb3e68b1db2b26416c6d428237f7a93f1152fdafd473359693
- 04 R 12471e56f65e91121d504378107556bfdcc91bb0c1ac6cc4bd0b002cf0a7557c
- 05 R f115018c9917daaef90faeadb6b2038414b50a74a2ede6aca4c4e69eed9e76d9
- 06 R 877bf8667627b61d5b8ed4071029f1b2e382f7828027e2af0471a6f1a2a9a342
- 07 R 335263dafeccece77475e28a07f6fe535655b5271ad8e551a9d0062ad5b370f6
- 08 R 429cedf008d36dd28200fb348bc1a7b7b77fd091a5680ee6c03b34b3a9e876b9
- root af4eacf34e5dc9dd5f0e33aea293bcced7fd07669e1096f2c30f9657bec229c6