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 NORTHERN SAMAR Award a ₱6.3M contract to KT CHAN CONSTRUCTIONProvinces
Transaction hash:
03d9f0cd89b3f0aa1bcac067c890fd1792cfa95691bc1ec5d4715e49f29a635f
Status:
Included and unchanged
Block:
#4,450 1,563 blocks after it
Position in block:
Transaction 7 of 304
Award day:
May 14, 2021 (5 yrs 6 mo ago)
Value:
₱6,282,138.91
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 #4,450 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 NORTHERN SAMAR awarded it to KT CHAN CONSTRUCTION on 2021-05-14.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 Northern Samar 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 03d9f0cd89…9a635fnow …
- 2. Block Merkle root changedstored f95fd5f7ae…587b52now …
- 3. Block #4450 hash changedstored 60a1e291e3…2bbb65now …
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 303 records. Each step hashes the current value together with the sibling shown.
- leaf 03d9f0cd89b3f0aa1bcac067c890fd1792cfa95691bc1ec5d4715e49f29a635f
- 01 L 03cc788aee4f8d8ddd42d77aa177a22c7e4bcb6838a3723b3fe1708b9f60347a
- 02 L 23e0c01a7f26510afc9bbc9dd16095c6945aded622657ee809b28f7b3b0d8024
- 03 L 8fa111a96156fd001ceb8c36f96a9f6a291bc24c427efd1ca60da37e615072ae
- 04 R a19ab69b4412edbe434f033812bb1e1af5aad1fe8ce8fc01de2b2c320773f8ba
- 05 R 513b07cb40bca0aaa38f7c5a3e0446ef352481f80b24d168ce6d3e5e54dd83f7
- 06 R df40703632f2b1de2e0a8ef09bd574806009c7d7b1548f220910c1f66738d2a1
- 07 R fdd6f7f7c9bbc8d3854078b3330c5c5a6283917613d7b97d0af83b0d61ba3ab1
- 08 R 8b9b1ebccfedd3618e8bbbf8738ac3be6f5746cd78feb3989c80a45410075b1d
- 09 R 7b22e0b3a7b9127e5e578fa04461289d11033ba754d695d8a56d87a463a3d45b
- root f95fd5f7ae15c85a5f96d6d7942734f9d8f2b6a5a77c1962946fda80d4587b52