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
CITY OF CALOOCAN Award a ₱7.7M contract to SAN IGMEDIO BUILDERS INCORPORATEDCities
Transaction hash:
82ace30bb03cef02e0589fa105ac4df3e816e29051384a509ef36dd46b93eeaf
Status:
Included and unchanged
Block:
#3,943 2,070 blocks after it
Position in block:
Transaction 108 of 206
Award day:
Nov 21, 2019 (6 yrs 11 mo ago)
From:
Value:
₱7,681,012.00
Project:
Construction Project
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 #3,943 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)CITY OF CALOOCAN awarded it to SAN IGMEDIO BUILDERS INCORPORATED on 2019-11-21.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 City of Caloocan 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 82ace30bb0…93eeafnow …
- 2. Block Merkle root changedstored c611760616…c416fbnow …
- 3. Block #3943 hash changedstored fae2f97d66…7638d0now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf 82ace30bb03cef02e0589fa105ac4df3e816e29051384a509ef36dd46b93eeaf
- 01 R 82dde149e4f0487adfad243df22ecdce11059b2e9b0381bd234a3db005e71b73
- 02 R 1508101f7a88c8c67db1642cc26bc64c44681ad05c181d33b342891e41940bb5
- 03 L ce70715669c888b1e09def6f1d36460bb40dea6febd4bd9834b845b3bf31d8b4
- 04 L 3c90f0f388800ca710b2e8103f5e5643bc682a96e2f5ad8a8b85fa2c5b67117b
- 05 R ea14f54efe90f023ba0f38cd0bb5c5f861848f11bd9b64e6b282f62d078e7be6
- 06 L 332561655b165e96f79fe690bb08bfb587070ec9d21a619227fb6adce0bc29dc
- 07 L 82af7381680ff45d1a7546191f75a764f51ccbdda1c61d994fad555b97dfb1d1
- 08 R f9474e8a0b1b9ad43a2c0ca257a6615c534d79ef329bfd360efa1d22c5237cac
- root c611760616b3ae81ddec0580e6988f750d407ecd202f24813ddaad0caec416fb