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 - QCFED Award a ₱9.6M contract to ALE BUILDERS CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
4eab9a80dff45cfe52acdbd8e8ea2752b60b356fa2c1e9bab3991086789d8b9f
Status:
Included and unchanged
Block:
#675 5,338 blocks after it
Position in block:
Transaction 12 of 43
Award day:
Aug 28, 2009 (17 yrs 2 mo ago)
Value:
₱9,647,628.21
Project:
Repair and Rehabilitation of Roosevelt Ave., Q.C. (Pat Senador to EDSA) Km. 0+000 to Km. 0+600 with Exceptions
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 #675 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED awarded it to ALE BUILDERS CONSTRUCTION & DEVELOPMENT CORPORATION on 2009-08-28.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 4eab9a80df…9d8b9fnow …
- 2. Block Merkle root changedstored 8aa9f2722b…8bd679now …
- 3. Block #675 hash changedstored 0c3aee46d7…c2bf8cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 42 records. Each step hashes the current value together with the sibling shown.
- leaf 4eab9a80dff45cfe52acdbd8e8ea2752b60b356fa2c1e9bab3991086789d8b9f
- 01 R 4ecd0acb50f78dfa0d3341551c75a19b4642c83651b0625be87dfc7272b3c222
- 02 R d1513ffd9ed7569593b20d2586407b4617deeafd7cfe2b184e4d2c656933d0b5
- 03 L f5c379719ae2d28a233fbc8f80c4325dd002e2fccaa85dac4e3eb4c758ed0364
- 04 L 48ca966ad4adec0d3187f8c2c117279c985d1ac71595cd411e1376cac0dde986
- 05 R bb4f2deefb4932d6e7c919d6db08400e7aab88cf4b5a4015ddd681ed738c69e0
- 06 R bbf1ba95485812b5e9f862a25a2145f5f9a130d48b61257121394144626b174b
- root 8aa9f2722b0766ef861d550dbaa99cd88af1a8c7c169a208819503a4b08bd679