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 SAN FERNANDO, PAMPANGA Award a ₱597.1K contract to ALFREDO D. SANTOS CONSTRUCTIONCities
Transaction hash:
6dedab2e0cf6a429a6712f4ee7465c9088cd20358533c9421d4600a0360c1590
Status:
Included and unchanged
Block:
#4,397 1,616 blocks after it
Position in block:
Transaction 170 of 418
Award day:
Mar 22, 2021 (5 yrs 7 mo ago)
Value:
₱597,087.91
Project:
REPAIR OF DAY CARE
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 #4,397 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 SAN FERNANDO, PAMPANGA awarded it to ALFREDO D. SANTOS CONSTRUCTION on 2021-03-22.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 San Fernando 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 6dedab2e0c…0c1590now …
- 2. Block Merkle root changedstored aaa15c98bc…4ae828now …
- 3. Block #4397 hash changedstored 7a5f5d0622…327025now …
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 417 records. Each step hashes the current value together with the sibling shown.
- leaf 6dedab2e0cf6a429a6712f4ee7465c9088cd20358533c9421d4600a0360c1590
- 01 R 6e7a6cd4d183704e2a0e62d680d7110c4240e2c79c5d621e8c890f9226d681d8
- 02 L 952d3d3fa458fd5ac03a6074f6fd32af36189dde4154685fa5a1c7106276387b
- 03 R 20b4b6305f9d93a3ecddc9d0af2ceaa1c0018cdaa23ceee818ea5ab9a7e629af
- 04 L 0b3fe17698605e6ace0450b36ad71a5ffd024b9e76fe10f55140cd46e80544f8
- 05 R 373d47629b0eab79064a368cba2607119cdaf57a8d494532a96be61491485797
- 06 L 23658b93af924bc6f42ca7c6a71228504ed59f36d180bafb12f34aeef26a5d0b
- 07 R 4e94039890a06c2880f23a0bacd3745f11ace0aebc22dedc5631fb1897119754
- 08 L 6cbc0ff5e0827f1386d9299dd8b6daae42456de328ee9bbe3bd5b119f159afa4
- 09 R 05f6c1093afd5da84dc1de316175d587d329052bf547467c171cad825166fb52
- root aaa15c98bcb2413305c1d7f6bf252e2ef9328e226230523c5161a41f254ae828