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 DAVAO DEL NORTE Award a ₱1.2M contract to PMMGS CONSTRUCTION CORPORATIONProvinces
Transaction hash:
fdd4ee9ff2d9cea93e1dd794e9a6d7bf1b4426f0cb1a49424f791bb69967e0ac
Status:
Included and unchanged
Block:
#4,897 1,116 blocks after it
Position in block:
Transaction 147 of 150
Award day:
Aug 24, 2022 (4 yrs 2 mo ago)
Value:
₱1,242,464.47
Project:
20223820B/2022053575
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 #4,897 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 DAVAO DEL NORTE awarded it to PMMGS CONSTRUCTION CORPORATION on 2022-08-24.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 Davao del Norte gave a "unmodified" 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 fdd4ee9ff2…67e0acnow …
- 2. Block Merkle root changedstored c5f4927de8…07ce16now …
- 3. Block #4897 hash changedstored f0ce4fca21…c52ef0now …
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 149 records. Each step hashes the current value together with the sibling shown.
- leaf fdd4ee9ff2d9cea93e1dd794e9a6d7bf1b4426f0cb1a49424f791bb69967e0ac
- 01 L fc39843b650f78b71212a29fa05d6b5e275ae7b848aec6edfb0ac9cf09b089a1
- 02 L a8b369d03cafda4ce0636e41dc0db8390c70478e54da312f61700b03ae6f05bc
- 03 R d70d826768fd6c89f4b494bcc2e786d8bfdbf64f7373e3cf8d596f338980f080
- 04 R 9a67a3d9515cc1ca159fa3daedcfab8fafd1b8dcf9c3cf66fe643334823f9be8
- 05 L 05c2008b354fe716aeef45cb17ee217d66adc2f9db0786d84bf784a4c5237b7c
- 06 R e1d96cc565bce74029c7206e9a36db890811e1399cf9a285d1f36be1e18b0eac
- 07 R 9c52e4f00b3cfc81d6ba8866d6a50184247c3a8a6e3ecd78b633725ddf3fb0d6
- 08 L c9c6a4dd67604f0291550f12d3f903bb59f13e7382e00ae422abe89456842bac
- root c5f4927de8b6efd42c1b816125f9c093b59686e9a07642aa7febbfcf2507ce16