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 TARLAC Award a ₱1.7M contract to MASTER SON BUILDERSProvinces
Transaction hash:
f8999451bbda8dee4b3268fd354a89b95d39ea176dc8c1ce3e463dc81eab035c
Status:
Included and unchanged
Block:
#4,924 1,089 blocks after it
Position in block:
Transaction 200 of 206
Award day:
Sep 21, 2022 (4 yrs 1 mo ago)
From:
Value:
₱1,678,005.50
Project:
Repair and Maintenance of Provincial Road
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 #4,924 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 TARLAC awarded it to MASTER SON BUILDERS on 2022-09-21.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 Tarlac 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 f8999451bb…ab035cnow …
- 2. Block Merkle root changedstored ce9257bc92…5b6732now …
- 3. Block #4924 hash changedstored ffd98f7c32…a12635now …
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 f8999451bbda8dee4b3268fd354a89b95d39ea176dc8c1ce3e463dc81eab035c
- 01 R f9fa772af39326e4f50f33240404a3f8376e2d361447f7e546a78d1434b34901
- 02 R 80690c4bc3c66f50d39b5c0bd04b89e21f5c36e00ac9b40ee1c43f831ffa9c2e
- 03 R 2f7ae5a2d36ffe95b54adca5a48bfa236702864e367debf63118798321e5a391
- 04 L f3b23e4f6211e809bea9ae0525ba73568ffb9bf40c63bd9e2789cb1e96bf86f1
- 05 R 9e4ead8e23d2237de555ca4081879a0a6d852a347fdc0eab724b06e08f0df517
- 06 R b8bd1668871ba0391507a4f0e3714f11e81fc7004627aaccf4835ce59b185126
- 07 L 4d09a4ccfdf7489d6fef008d01dd8210446ec5c1a7c5ec0331b81e317d3ef4a6
- 08 L d68b3a8d460ee4373b3b355dbe976bf997008d27ecdbf6fc7c5344a0fe82bfa1
- root ce9257bc92e3e11223e66d37b443c24a34ff44bcc05de56e1193c1162d5b6732