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 - ILOCOS SUR 2ND DEO Award a ₱4.9M contract to M.A. TEJADA CONSTRUCTIONNational agencies
Transaction hash:
0ee4e00d6d8a58c726a837b4bfde336d84860ca9624777320bb5196fb11636c2
Status:
Included and unchanged
Block:
#3,885 2,128 blocks after it
Position in block:
Transaction 17 of 337
Award day:
Sep 23, 2019 (7 yrs 1 mo ago)
Value:
₱4,919,144.21
Project:
19AD0114
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 #3,885 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 "Outside Infra - GAA 2019 DepEd BEFF", 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 - ILOCOS SUR 2ND DEO awarded it to M.A. TEJADA CONSTRUCTION on 2019-09-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19AD0114: 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 2020-07-27). 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 0ee4e00d6d…1636c2now …
- 2. Block Merkle root changedstored 66244c1192…8e5d74now …
- 3. Block #3885 hash changedstored 5eabc7c3ea…383d86now …
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 336 records. Each step hashes the current value together with the sibling shown.
- leaf 0ee4e00d6d8a58c726a837b4bfde336d84860ca9624777320bb5196fb11636c2
- 01 L 0ebacf195a57b7667fa48f19a9a07d5b6399c730a6603d2ec2799049949571df
- 02 R d733db6fef378b9422f2e8df1a3d53dd7afba391eb937ca92f5aebad12744d69
- 03 R c4ea1b7dd1e67a408f17e94d760c05ab2a6eefa34204e8b115389b10fd6d4d97
- 04 R 7f837ad57d7f47d7dd0a079cd78ce482d7b4f590d511e335f0d8d9392d5a5495
- 05 L bf159958ac8312d57b45a478ea8bd55226f0bba7bbc86781ffed2a76430adf26
- 06 R a53f94a360946f8a2cf07f8815b5f10e80694e2e597974db2c5b0b0c7bf85e79
- 07 R 985face74bc4ad2346c15ab0a021e82e5a6cd64e58d53550c6a1b5a6fdd53ae3
- 08 R 881a8aac7762c7dd5142119ac91507df579349bdb8b93f3cd4a85dfad7bbf33d
- 09 R 202c6dfc1952e907134ef396dc8bdba0e39d67d3129bd2ea7500725652e7d97c
- root 66244c1192520733180f14675f6f3396a0d67cc1fdff48fe1cb0d54ec08e5d74