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 BULACAN Award a ₱4.4M contract to ARL CONSTRUCTIONProvinces
Transaction hash:
4b8fb25f932d7dbca53f5bc815543cde3b5fb92916731d0e094a8aef9828b0c5
Status:
Included and unchanged
Block:
#3,228 2,785 blocks after it
Position in block:
Transaction 73 of 272
Award day:
Oct 24, 2017 (9 yrs ago)
From:
Value:
₱4,379,778.22
Project:
PEO-101017-131
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 #3,228 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 BULACAN awarded it to ARL CONSTRUCTION on 2017-10-24.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 Bulacan 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 4b8fb25f93…28b0c5now …
- 2. Block Merkle root changedstored a19a170dc8…613a70now …
- 3. Block #3228 hash changedstored 7be7042ad4…9aceacnow …
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 271 records. Each step hashes the current value together with the sibling shown.
- leaf 4b8fb25f932d7dbca53f5bc815543cde3b5fb92916731d0e094a8aef9828b0c5
- 01 L 4b465b9a63222ff2e276304fc1c3b92cb3a1e333933e4fa3ff717495119fb538
- 02 R b23f40c18b5daa75588fad8d1319d0c026961ff798237499a6c96cf637bf86df
- 03 R 96bd12d78eedd7db01ff969f7e0ef332076224d9ed3c04043e98aaf3edac351b
- 04 L 2aec83a328d2c05bd165c6bb4d1a1c19c2739ebb9962ffcc4abaf981a2dba79e
- 05 R c624e8e8af73e216608319b1420259812cbd20bcb2aa99c8ef35eac72b03e9ff
- 06 R 6a7c5d1dee34067af0dfed5d0d58f7da60636d74a4ea5991c14b58116ff7e999
- 07 L 829de6e81c1c1e3d5d6d36e8f9de92a199fd2d60ff86d3355c8eea24f390fd63
- 08 R 2e5bf623326cfc07714a4de261ff8802a49909f1ba39672125ead2510779daa8
- 09 R 3ae49490949d016221ea3cb7766d8cb37c36fed761b60f123b430e1ee926c9d2
- root a19a170dc84ba5a90e350f20e4b1c7f57366a59ea62ed4a5ea203ac84f613a70