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 EDUCATION - TAGBILARAN CITY DIVISION Award a ₱1.2M contract to HYPERVOLT CONTRACTOR CORPORATIONNational agencies
Transaction hash:
e4d92bcf3727fa2d973ab892eb2d01dd461b0ee2d63fc264926f96a63830bceb
Status:
Included and unchanged
Block:
#1,367 4,646 blocks after it
Position in block:
Transaction 17 of 20
Award day:
Feb 2, 2012 (14 yrs 9 mo ago)
Value:
₱1,194,506.23
Project:
CONSTRUCTION OF TWO (2) CLASSROOM (SPEHER TYPE) WITH TWO SEATER TOILET
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 #1,367 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 EDUCATION - TAGBILARAN CITY DIVISION awarded it to HYPERVOLT CONTRACTOR CORPORATION on 2012-02-02.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 e4d92bcf37…30bcebnow …
- 2. Block Merkle root changedstored 31ce7ee9e8…e24765now …
- 3. Block #1367 hash changedstored bb591a350b…342250now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.
- leaf e4d92bcf3727fa2d973ab892eb2d01dd461b0ee2d63fc264926f96a63830bceb
- 01 L d73d2b0cce98fe5bd9e61925ad548ad2eadfc0283dd7ed645c71d8b5658ec157
- 02 R ee397333c32af244ef5619200cc18d98a8005793abb7833afc8b4cae27255076
- 03 R 78a3f9e8958fb5e0c8c8d23068d3f83596886a395bbbdc2ab192aa5764bdb64f
- 04 R 44fd5204360cffa7260aad6150348ccd57605ff235fb46f9462646e0dbdcc50c
- 05 L 9ce6ca0e2f8b8e5e5ccae2c209554c64bd8f153ae72efa817781c8410abaece2
- root 31ce7ee9e8de50ddbcc7c462118fdc60c35a2bf1b3d1b6010e332889a5e24765