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 LEYTE Award a ₱5.3M contract to TAM CONSTRUCTION & SUPPLIESProvinces
Transaction hash:
3efde292ce942bc0f49691835080c8bc84ed48d7bbdfd0acd0dc730bd80dbfe8
Status:
Included and unchanged
Block:
#2,433 3,580 blocks after it
Position in block:
Transaction 45 of 202
Award day:
Jun 15, 2015 (11 yrs 4 mo ago)
From:
Value:
₱5,290,864.80
Project:
Tam Construction & Supplies
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 #2,433 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 LEYTE awarded it to TAM CONSTRUCTION & SUPPLIES on 2015-06-15.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 Leyte 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 3efde292ce…0dbfe8now …
- 2. Block Merkle root changedstored 6fa461bf17…ce80a5now …
- 3. Block #2433 hash changedstored bf7855710a…671948now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 201 records. Each step hashes the current value together with the sibling shown.
- leaf 3efde292ce942bc0f49691835080c8bc84ed48d7bbdfd0acd0dc730bd80dbfe8
- 01 L 3eed616d931463d1e12266f63170854eaafc91552879105b0830bce85181deb9
- 02 R 251e239a7a5a7ae3316053085506888054992c75223b9ca485dd489c4ef23ef2
- 03 L be9e7466f4b2d8c7bd556a1748d5e6a99c8a8f2fc8ffbc537d3470c8a44b2625
- 04 L 25850dceefb34c5c603cc565bd777c29cb20b7c2d07101dad854b5f38e4a3969
- 05 R a8b30377c8a20b1d4e7b7452c4f95113e9cbfba45102fb8e5116c6b642ba3f4a
- 06 L b6e9dfc6a05342f97deb6662fc635c1332cae9d7eb97a008a458d4de22bc8b31
- 07 R 46a8ce8e6259c083bbefd7c33c94fd73e892b0a17451cd9ae0f7d626a1ec3441
- 08 R 96ae4ada18cccf4a3cfa24ac0c0a193cbfb654962173b029f2d0f5abfe341b38
- root 6fa461bf173656ee247dd50463abbe88fb204ceecaaa2f379798092388ce80a5