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 - METRO MANILA 1ST E Award a ₱14.0M contract to 1HB CONSTRUCTION CORP.National agencies
Transaction hash:
b50baa2011cde435ffbb54c09252c780b097d84b743d4082629b29c0e99d69f1
Status:
Included and unchanged
Block:
#4,674 1,339 blocks after it
Position in block:
Transaction 337 of 480
Award day:
Dec 29, 2021 (4 yrs 10 mo ago)
Value:
₱13,960,378.73
Project:
Contract ID No. 21OB0241-Name of Contract Reha
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 #4,674 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 2021 LP", i.e. the FY2021 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 - METRO MANILA 1ST E awarded it to 1HB CONSTRUCTION CORP. on 2021-12-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OB0241: 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 2022-07-31). 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 b50baa2011…9d69f1now …
- 2. Block Merkle root changedstored 72257c473f…33288anow …
- 3. Block #4674 hash changedstored 53ef459869…c70c30now …
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 479 records. Each step hashes the current value together with the sibling shown.
- leaf b50baa2011cde435ffbb54c09252c780b097d84b743d4082629b29c0e99d69f1
- 01 L b4ececd3e1e00d5fe1f6837dbc4b1c93bfd68894bffcf7e1873e2be03ec54736
- 02 R 65582b65a28b4bafb5851bc8347964ca740d9aab38716d78fb3e40aafbf1cde4
- 03 R bcb6c793cbc32acd886afc1abae829cd3dc033497b914f5ce189419725a75186
- 04 R 16591ae07228309d40f755ca1b58ebf198029af272b71a9a40c1dfad56d0d4d6
- 05 L 3595cef9a93d0f690ae2a1dd9d376a08478108d9dcd761aa70639748fdd5bcfe
- 06 R ae64e07d91ef2934653c04dc7460e2ca9c914b6eb579d26469da4ab742697180
- 07 L 7e8d20b543a26ef3bfdbe4a1ecde2b42e57fd202adb0c04e7d839f269d34bea3
- 08 R 79b5b61b7fe293f3ef4a1217c9a9e1f6be2101b5fdb4b737fc6dff48921f4681
- 09 L 5dcf30481290d6f9f3a340a09e5eb8fcba9e953a14a5445450c3a144ff783a11
- root 72257c473fe9526f28ba32b3fb435a5e7524f8129fa50cc0dc2d61e5c533288a