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 PAMPANGA Award a ₱9.9M contract to ALFREDO D. SANTOS CONSTRUCTIONProvinces
Transaction hash:
48cffb2de597e62b87f92ebf861521c417e429bdb2c7bf23680b8cca34c0f024
Status:
Included and unchanged
Block:
#4,801 1,212 blocks after it
Position in block:
Transaction 130 of 449
Award day:
May 16, 2022 (4 yrs 5 mo ago)
From:
Value:
₱9,883,333.52
Project:
PR 22-0323- To supply labor, materials and necess
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 #4,801 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 PAMPANGA awarded it to ALFREDO D. SANTOS CONSTRUCTION on 2022-05-16.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 Pampanga gave a "qualified" 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 48cffb2de5…c0f024now …
- 2. Block Merkle root changedstored 44fa606442…c9252bnow …
- 3. Block #4801 hash changedstored 11a667a1d1…e057dcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 448 records. Each step hashes the current value together with the sibling shown.
- leaf 48cffb2de597e62b87f92ebf861521c417e429bdb2c7bf23680b8cca34c0f024
- 01 R 4994e9d0f48e468c8cec05b1e96da39936cc7a63a3eb092d32f59bc914fb3265
- 02 L 2a03bd37feba83bae668de16c88ffd1924338ab97e5155b9aeafbf2f46422e3f
- 03 R 400b912f705cb7ea81dc95b6cbfd58ac0797ffe155851b8c63b6f454e059301e
- 04 R d9e94794150f6485196fd5fa9aed232d2cec94257eaf76b9831882329c264a68
- 05 R a9afbe5b27ca593957350aaf353bc4aab5b8a07fb32264777a0d2b8e23f89b60
- 06 R 2eafd8662229c1ddd1088efbe30c0b4b5875e467bcb620a6d1e9f0546ad55640
- 07 R f1c05548722624f2688bf776438b0d9e563ae34f2531ecabd11bb3f812e8d368
- 08 L d9f444b7d4451dba4bfed6dba43845d8b9f22c1079eceb7e5bf324646592da95
- 09 R 2001d709c6f912d6d0f68f097142e82dc44d0f0bd7feca8d676e35cf3966fd7b
- root 44fa6064421de941740b51e7948be6f4d80f469c9ddf6eecd0746f6967c9252b