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 DAVAO DEL SUR Award a ₱249.5K contract to CEK CONSTRUCTION AND WATER SUPPLYProvinces
Transaction hash:
0b68ae91db36caa5b32e045260728418589b6af698b640eb149bf7b3601663d9
Status:
Included and unchanged
Block:
#3,687 2,326 blocks after it
Position in block:
Transaction 12 of 235
Award day:
Feb 22, 2019 (7 yrs 8 mo ago)
Value:
₱249,500.00
Project:
Construction Projects
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 #3,687 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 DAVAO DEL SUR awarded it to CEK CONSTRUCTION AND WATER SUPPLY on 2019-02-22.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 Davao del Sur gave a "not stated" 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 0b68ae91db…1663d9now …
- 2. Block Merkle root changedstored 1060c39f2f…688ea6now …
- 3. Block #3687 hash changedstored a036267a9f…82ef80now …
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 234 records. Each step hashes the current value together with the sibling shown.
- leaf 0b68ae91db36caa5b32e045260728418589b6af698b640eb149bf7b3601663d9
- 01 R 0bb72e047eebd02e89bc70331bb647e611c39c0d75ac2a814b8e8a5f8567d963
- 02 R ea6e6de9bde18fd1daf8b6196164baad98d5e96b3e63906558f60aacf192e7fa
- 03 L 7dd6d2df6963b16fb957c072ba0a8b919a3f2dbeb112bc8e247c624d030de7ec
- 04 L 455bc0c2d296e6c9ded33df79f0ab3fa29c9b66c5403c54e91d6135b83983d8d
- 05 R 2b24d702843d069146bab8cdf4c8ee005b8035229a58b4744f4b5e92e70058d5
- 06 R 070dd34c27ecf26b1f55f96294cc313f82b3e1acef87033177cd628a052e58d9
- 07 R fba0dcfd42897dbc9c2c8bebb9ae922c065c361fe5850fb68b41fa52c57a0c8f
- 08 R a97a887caac6c189b87552aa35384810f75ce0a9a2be7f54277153b8fe49abbd
- root 1060c39f2f8a32cb3bd920f337f1c18c94a472ee342380394ec0851e5d688ea6