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 BATAAN Award a ₱1.6M contract to POLYMER-VIC CONSTRUCTIONProvinces
Transaction hash:
5fde9ec1d28dbbb8cdbcbb9f3bc9e8a7b7bacaac0383771da5f7c04d97321db3
Status:
Included and unchanged
Block:
#2,647 3,366 blocks after it
Position in block:
Transaction 71 of 209
Award day:
Jan 26, 2016 (10 yrs 9 mo ago)
From:
Value:
₱1,593,643.48
Project:
Construction
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 #2,647 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 BATAAN awarded it to POLYMER-VIC CONSTRUCTION on 2016-01-26.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 Bataan 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 5fde9ec1d2…321db3now …
- 2. Block Merkle root changedstored 4e8c626ec6…9bbef0now …
- 3. Block #2647 hash changedstored 54dc08bd72…898981now …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf 5fde9ec1d28dbbb8cdbcbb9f3bc9e8a7b7bacaac0383771da5f7c04d97321db3
- 01 L 5f9b5b639d32ec4356c9c5c3522444dad9d5580083edbe8de9a98114552d3ba5
- 02 L 0bf1899818b8ea521f26043c9f9a9b638aeb0be0a288456aaf0cc3493c521148
- 03 L 625096ae374e430bd028a8fd13b8a115da6f69b55e92de6d9ab7442f959fdd8c
- 04 R 996dda943b54bc4a343381a0d958fa925ca954466f42de2b003658173fd6dfcc
- 05 R 665d2d8ee823a3aaa3709ea2471ea27af2921ec5552fab2592b82deced70a347
- 06 R ebad5016eeb48827114cea0d504e7b94bce336f352097fe2780bbd448a5d394b
- 07 L 7276cbc8cd6ea45bc6b5c701bf7562b53cbcbad47a0f1e7cd1149d8c9c40e3a9
- 08 R d12f625a64e9af16b2440987c0e16aa71beecaed798332394f05c36482e38e7c
- root 4e8c626ec65020937ddef4e61b7e163f3f075fc43a03929334b99b4f939bbef0