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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 1ST DEO Award a ₱11.6M contract to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
253e819dd76537fd92ee9cc2b7e83f24286dff31a59f9957a9ba9b9c93970b7c
Status:
Included and unchanged
Block:
#3,768 2,245 blocks after it
Position in block:
Transaction 87 of 639
Award day:
May 20, 2019 (7 yrs 5 mo ago)
Value:
₱11,610,380.73
Project:
19EE0022 - Retrofitting/Strengthening of Permanent
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 #3,768 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)DPWH lists the funding source as "Regular Infra - GAA 2019 OO-1", i.e. the FY2019 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 1ST DEO awarded it to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLY on 2019-05-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19EE0022: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2020-05-03). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 253e819dd7…970b7cnow …
- 2. Block Merkle root changedstored 36a9bc4c08…e1d768now …
- 3. Block #3768 hash changedstored a9be52f162…7057bdnow …
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 638 records. Each step hashes the current value together with the sibling shown.
- leaf 253e819dd76537fd92ee9cc2b7e83f24286dff31a59f9957a9ba9b9c93970b7c
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- 02 L 9f98091721a210a81795162b6295df92ff7a86d7963bbda8f7e50ad192d2e7c4
- 03 L c89235b4e5331f95d62dd3b20a10f12b45acade7b3abf2e27871d8f0abc8ffad
- 04 R e7a1f141503f37a507b39b63eef057015754789429010eb9e3aff10f37a9c289
- 05 L d4829f9c473b1a8cd368a8b58da106c107437242863641d9c0d6e341e9a616ad
- 06 R 9c01d592c05ef359c91d7636b1fb62bee8bf720664a30a914b73640e8181e53d
- 07 L e85df5b08afd9bb7feac83c4da32f569f5b77c2ad07f415c526294dea155619e
- 08 R a81daa262658617a2cec688231c12b824f7bbb8fdc450c7dfa9b6b3ecf1b42a0
- 09 R 1f92fdd02a8feb0955ba1fe6d84f25b4981b54ad1c2c9efbc3d05ebb4196f1c7
- 10 R 81dbcd9ae6aa7fd90d91745117607caf9b042a6c3a7880719d6f649aeb7c1247
- root 36a9bc4c080f23a6e5fc69b23f1e36b35f7928cde3e5f0b24e8053675ce1d768