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
CALAMBA WATER DISTRICT Award a ₱8.0M contract to EDVER CONSTRUCTION & GENERAL MERCHANDISENational agencies
Transaction hash:
1d94dbe319bbca95d5f309657fa7411bfce9c99b213fa59386ca3e10dead6a2b
Status:
Included and unchanged
Block:
#4,419 1,594 blocks after it
Position in block:
Transaction 25 of 233
Award day:
Apr 13, 2021 (5 yrs 7 mo ago)
Value:
₱7,998,211.20
Project:
Rehabilitation of BPS Suction Pipe
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 #4,419 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)CALAMBA WATER DISTRICT awarded it to EDVER CONSTRUCTION & GENERAL MERCHANDISE on 2021-04-13.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 1d94dbe319…ad6a2bnow …
- 2. Block Merkle root changedstored bd84be23e1…4c9aeanow …
- 3. Block #4419 hash changedstored 43158c31cc…c33312now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf 1d94dbe319bbca95d5f309657fa7411bfce9c99b213fa59386ca3e10dead6a2b
- 01 L 1d1324e9fc3c2ceae166f6502ba7bb60fd3754741d8d69e59bb3734ce9358fda
- 02 R a760f1e47159891800620e6085a7cf02a0e51e3e4b41280b90d60c6ac493aea3
- 03 R bffa3589e580ed768d4256efe5cf7814ed6d692da982a99c98a808ef09b811b7
- 04 L 9faeb85bfdbdcd83f10e08d6dc2feb3733330807681b3648e8a4f48e2c63a319
- 05 L bca39a68bfbfae468654382018f996584c151cadfbdff5c4282d50e4b0639c37
- 06 R 956675860581d8e17aa27b75f115336c12a2d678972a9ea496d907daaf5cc461
- 07 R c016462481ac90bdde1a455242c13611f2de37ee056809145d74a85c4a36afe9
- 08 R 018c26521cf05ce8c2bc21d36f9a1017d1841ecb10913d1dd5439b6dc0625da8
- root bd84be23e169cbbedcc76c8db0786279368feb7be723b9730d5aa54c8a4c9aea