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 TAYABAS, QUEZON Award a ₱3.0M contract to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATIONCities
Transaction hash:
df071bd0debb656f35d61b4e742ae169f73a503638a9416756385b92f7958fdc
Status:
Included and unchanged
Block:
#5,785 228 blocks after it
Position in block:
Transaction 790 of 901
Award day:
Feb 27, 2025 (1 yr 8 mo ago)
Value:
₱2,999,599.07
Project:
Construction Projects
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 #5,785 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 TAYABAS, QUEZON awarded it to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATION on 2025-02-27.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 Tayabas 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 df071bd0de…958fdcnow …
- 2. Block Merkle root changedstored 5421bd5222…f8f24cnow …
- 3. Block #5785 hash changedstored 729396c659…f542f8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 900 records. Each step hashes the current value together with the sibling shown.
- leaf df071bd0debb656f35d61b4e742ae169f73a503638a9416756385b92f7958fdc
- 01 R df58cf25d24b17d193a71a8fa54ff4f3970c54079c8e1f38c45698b250bf0e2e
- 02 L 20ecbe9e090e9f430ed89eda2b66fec955dc26b1d29267e008facf9b8f83c759
- 03 L fbd0ee50afc65f78d70f4f52eaf2a2e56637dec0705160478f7ed83f7701fd7c
- 04 R fce8be1e49ca0cf025006cea57b2026bfa65e4d2f57eda4c232837f58083c64c
- 05 L f324a1e9309fab30c843bc7c1446dfe76a95c9555bf957e5d1d0faeaf37ff66c
- 06 R 25c72ac1bcac595cbefd167bab6c48d4bc397460308e8f5870fe2c7014c31c62
- 07 R 32f5c90997f9bf50e2a2acfcbfeb581335864190cecafd6ffb620cafc98803a4
- 08 R 8a8d0b2dc92e0959e19ecc855342d9113371b1e4f90ed6bf36b86e07a631d2d7
- 09 L fa3cd5fb70a0ec9e5ccf2823fa1fd0370df986ac7b139fd26b4d6fe4b3845f47
- 10 L 2751709912a00ce240523690cfb63911ec507a31139ce2045f75cef1bb62873d
- root 5421bd52226ace0a3d64fa7f631d417b3840e2cb504ae6f19af19b6b3df8f24c