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 ₱2.0M contract to AAVB CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
cb7340cdbba2b14483fa6985cc2ac4cbbfb4f33f5f9c11f38bff402f1471bde4
Status:
Included and unchanged
Block:
#4,185 1,828 blocks after it
Position in block:
Transaction 111 of 139
Award day:
Aug 6, 2020 (6 yrs 3 mo ago)
From:
Value:
₱1,975,586.13
Project:
AAVB CONSTRUCTION AND SUPPLY
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 #4,185 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 AAVB CONSTRUCTION AND SUPPLY on 2020-08-06.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 cb7340cdbb…71bde4now …
- 2. Block Merkle root changedstored 4e17525b8e…b3e3c8now …
- 3. Block #4185 hash changedstored 677df6210f…ba69aenow …
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 138 records. Each step hashes the current value together with the sibling shown.
- leaf cb7340cdbba2b14483fa6985cc2ac4cbbfb4f33f5f9c11f38bff402f1471bde4
- 01 L cb692d6e5ce9416fe7babc3fa4f7ee2e63fc4911cd1212494c8aa7bc6b5ec3d7
- 02 L 57a80075d2694bcb6cb0cfcef8554ed179aeb426d004c072521576362ce9c0ba
- 03 L 77ebc45c114daf99280f9cc81d9937cfff4bc68895d628bf064776bda79a9adb
- 04 L f24bab0c63de4d0d47314ffe262ac5f97e33585625bfbf02328af1603dc3fc0f
- 05 R 113f198bdbed1954be4d2fefc733c1eb72102712eeebd03fa1807acde2f2b241
- 06 L 594459ecdf8fcc7045a8e3a5d401d618a319192593be05e491dea5203f08d8fb
- 07 L 22d474280f62506dac47d96f5de367d4a71ecdf28fae3f7f4c9ec60f89025745
- 08 R c7d7b58fab084e9645f375e2186ec5048b23fac6784cef221bef6667f6952901
- root 4e17525b8e2963ee6d838f824d1b6e6489bb783f4830841c9a11582769b3e3c8