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 AKLAN Award a ₱398.7K contract to E. L. CHAN CONSTRUCTION AND DEVELOPMENTProvinces
Transaction hash:
4e109a3928b682d510137bde564f6a88aa84bc3c463cf4f67b11e3872d113ddf
Status:
Included and unchanged
Block:
#3,116 2,897 blocks after it
Position in block:
Transaction 69 of 256
Award day:
Jun 27, 2017 (9 yrs 4 mo ago)
From:
Value:
₱398,723.01
Project:
Repair & Maintenance of Steel Ladder
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 #3,116 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 AKLAN awarded it to E. L. CHAN CONSTRUCTION AND DEVELOPMENT on 2017-06-27.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 Aklan 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 4e109a3928…113ddfnow …
- 2. Block Merkle root changedstored e6fb994f15…be3e93now …
- 3. Block #3116 hash changedstored a918444395…2c7ae3now …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf 4e109a3928b682d510137bde564f6a88aa84bc3c463cf4f67b11e3872d113ddf
- 01 L 4dfda7686eb4b5d34f2fc083e94c5b62f89f53393b1feec2e77474201ff8b382
- 02 R fdeaceedd98d6b00567eb99fc252f2655d979fab213503f87c41524a4fc72cb9
- 03 L 7a8c2a5182fde065f0727b5001717df1bcdd054c4a16060a03339ff309c44af7
- 04 R 7a688ae4facdeb8fd35ab3e91c262a9df4496f3ba2c937250d2a4afcbb5fbf24
- 05 R f0a7c4e502c24dadd40bf1147228adc4cce9ea6ab79a63fea82fd051c0216393
- 06 R 3fdcf272900615e4ab38c05c72c004d536644c6edd39f13b86dfb461626844e6
- 07 L dab5feb4975a6d0d21bef2db00540c5156bd5fdf2756bf1a1fd7b70801abb36d
- 08 R 1c9cde38ae85dd3eab7f4da89d47abaec67f3ebb5d9db51f5b72fcef65b4a5b0
- root e6fb994f1554f751a9906f56120fbc4418c494a2943125a7736af814e0be3e93