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 TANJAY, NEGROS ORIENTAL Award a ₱998.3K contract to PER CONSTRUCTION AND SUPPLYCities
Transaction hash:
8aa4e2e8b67c5b3cc78f6529a5c6f32a113bd5701b46cd84772eb31ca143f451
Status:
Included and unchanged
Block:
#3,953 2,060 blocks after it
Position in block:
Transaction 161 of 305
Award day:
Dec 2, 2019 (6 yrs 11 mo ago)
Value:
₱998,309.14
Project:
Construction Project
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 #3,953 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 TANJAY, NEGROS ORIENTAL awarded it to PER CONSTRUCTION AND SUPPLY on 2019-12-02.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 Tanjay 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 8aa4e2e8b6…43f451now …
- 2. Block Merkle root changedstored 0b89cb1ff9…ce9df0now …
- 3. Block #3953 hash changedstored c8e84a7757…97bb29now …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf 8aa4e2e8b67c5b3cc78f6529a5c6f32a113bd5701b46cd84772eb31ca143f451
- 01 L 8a7e657c341f14698aad54e5d3fbab1ad12a67ba9e90f3a56f891832815cbf07
- 02 R 4af86ef7f1577596bb96925587814f4e7dce0c59b1e5fc96eea6cd8cfdcdc0ee
- 03 R 5635bb0d19a096328996664514f9b517a8e3c8b9dfba62365fe229d4c6d18a62
- 04 R b69f39bc46d3139156c767b3b73b266176d62e66fee21c0422a3738d79ce2f7c
- 05 R bc7c8897113bd5d90045bfe13489d9acec8a2f19642af2b76861d567ae8afd6e
- 06 L 7baf12a22106559177b1890872c26a45a7db35de32b86d7ee71487a671378cc1
- 07 R a0968f64abd447150e8427dcf3f38d1b4f818257728043c84f0bfcc4c256c666
- 08 L f2bb9bbd05887a7dbfc39bf1491b8e029693ef9d2fe6f352d1ce7587fc2cc354
- 09 R 5e01603e5a5378ffb14b92625ec68b6159bf388da027a4fc86c9a55fe3d3de85
- root 0b89cb1ff9436dfa202b9e36c1f32ecf0fe3ebc6325d396802acba316cce9df0