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 - TARLAC DEO Award a ₱1.9M contract to F.A. ASPRER CONSTRUCTIONNational agencies
Transaction hash:
40c3fcf2b7c56d4a1adb207c48f2cc91ed6aa18b8ce1bf0f2502644761a27bc4
Status:
Included and unchanged
Block:
#2,320 3,693 blocks after it
Position in block:
Transaction 82 of 281
Award day:
Feb 9, 2015 (11 yrs 9 mo ago)
Value:
₱1,899,866.28
Project:
Local Infrastructure Program, Const. of Local Road
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 #2,320 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC DEO awarded it to F.A. ASPRER CONSTRUCTION on 2015-02-09.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 40c3fcf2b7…a27bc4now …
- 2. Block Merkle root changedstored 22f6788bf6…e0e77anow …
- 3. Block #2320 hash changedstored d30c503ac4…35de46now …
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 280 records. Each step hashes the current value together with the sibling shown.
- leaf 40c3fcf2b7c56d4a1adb207c48f2cc91ed6aa18b8ce1bf0f2502644761a27bc4
- 01 R 40e2f4f2c9a341935f1d5c991b411b758bcdc83ee696d57246dd335025d05f25
- 02 L 068ca947ccf79a48c9dcad6f124dc497a0a1bc2a4bf144ade2ca1b112cb5d7cb
- 03 R ac80167ca520cb9def6099843c1e9d745a24bf45bb81e28760440a71bd300c12
- 04 R 9fbec56adeadd4793722937a4e23f27b736f821cdaac0579258c216760470617
- 05 L 1346bffc0c4b59f772f7640640d5c279ede7bd4dac647b120526739afa1703ac
- 06 R ce7ae83bb0d46d9f237cf14b557d8f4dd2cf3902de79b8a8bb4ce7520a0f49de
- 07 L 277c839f6631a67289572110fd56f9c4e987711a68537f3871f53d8cc03aac21
- 08 R b3a5c442631880846a3c0b1880f315cbbdd52e371a1088a8e83641952f33ece6
- 09 R 828f215c719e0ee13be31ddd5e3d1c673d522cd9f942bf9cba308d01319fd846
- root 22f6788bf6e999158f62b2e0c06a66e1dfa6d199d61c81dbdf783020bbe0e77a