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 TABUK, KALINGA Award a ₱199.2K contract to CHONG CONSTRUCTION AND SUPPLIESCities
Transaction hash:
d5bb0ae30ddcd4cb0a648ee37310cb9111af190e02d5ccbd9705d04a237e6529
Status:
Included and unchanged
Block:
#4,150 1,863 blocks after it
Position in block:
Transaction 87 of 111
Award day:
Jul 2, 2020 (6 yrs 4 mo ago)
Value:
₱199,223.75
Project:
Improvement of 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 #4,150 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 TABUK, KALINGA awarded it to CHONG CONSTRUCTION AND SUPPLIES on 2020-07-02.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 Tabuk gave a "not stated" 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 d5bb0ae30d…7e6529now …
- 2. Block Merkle root changedstored 887b5b3d41…9dd529now …
- 3. Block #4150 hash changedstored 8865d6feaf…2520cfnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.
- leaf d5bb0ae30ddcd4cb0a648ee37310cb9111af190e02d5ccbd9705d04a237e6529
- 01 L d52aca3baee7eca6bc1a27759f9928156757fe46fcc39a7f3bd7d52264dc6c31
- 02 L b54784228e41b0059bd0ac97e9a3e00b87be4609e50d9f314ae8649cc16f1404
- 03 L 9642a0d6612b31ada84d5ccd3db8a1fa1dbcb37b3612a6508d351cab54248e6e
- 04 R 8beb8f38ca58aa337ea71679084dbd01adfd3c029be61e68ff22862a74dce3bd
- 05 L 74a4c472600c3b08dc9bba6a1265931ad25c324a2716f831b509b7b5d0641442
- 06 R 992ea75246d9d4d96f81729b701fbff0daeef553f7e6edbce1175e8771b40cbf
- 07 L 11c56f0ba2ec8f5fcf85a611af49b38c3d90e738d1150cc0421a3d4290b65f31
- root 887b5b3d410349b5d8080357be033b46174e6c72e91ac30c3dc6fd81e19dd529