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
MUNICIPALITY OF TANAY, RIZAL Award a ₱1.5M contract to GKB BUILDERSMunicipalities
Transaction hash:
b4e1eceacc590fb98af1e44e4cca509ade67d175bfae9e9388fe3dc3aa5742a6
Status:
Included and unchanged
Block:
#5,646 367 blocks after it
Position in block:
Transaction 201 of 274
Award day:
Oct 9, 2024 (2 yrs 1 mo ago)
To:
Value:
₱1,479,665.45
Project:
Streetlighting Located at Sitio Lalabasin
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 #5,646 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)MUNICIPALITY OF TANAY, RIZAL awarded it to GKB BUILDERS on 2024-10-09.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 Tanay 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 b4e1eceacc…5742a6now …
- 2. Block Merkle root changedstored a59f1c1d15…a861ednow …
- 3. Block #5646 hash changedstored 9ce5bd3c6e…40e2dbnow …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf b4e1eceacc590fb98af1e44e4cca509ade67d175bfae9e9388fe3dc3aa5742a6
- 01 L b44a820c6527f714cc6ada266d48b9a89cfb3cbeaa3f6a7fd68948afbff050d1
- 02 R 9e365bf3556c9c3d06b253928f99db5a619a5e89fa142efcbe37213b76aff39a
- 03 R 0ea051f2744ed0d31acdc4540ea8ac2842d1879b66cf0537e2a26127b7220c30
- 04 L d12cff8495511efd08f7b52ae62446749de738f6f09ba37e9d33d6147e1c4931
- 05 R 80bacd6d59d6d0b12567534c78a5cba8b8384b490656a185761156f1246861b9
- 06 R e22fba6cc99b31ba005fc1635c7ea42c5625fdc1eb5c3168d903fd0e7507e142
- 07 L 1d260ba4fafa9f770607d150b0b05a0af6e1f3bc62f313ae21535bf03ee0d3b0
- 08 L 66bb293b99ed31a46a18b67d82047f1549102de6c02e537562ab7bb557aeafab
- 09 R a299880b147ed580e2ee67df10cad3e9c6485323a7f93f1133efa6a34f53d254
- root a59f1c1d15088c1db6052c1286657f6736b33f083f697447168eab670ca861ed