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
PHILIPPINE PORTS AUTHORITY - HEAD OFFICE Award a ₱204.9M contract to KHAN KON CHI CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
cc5aafd031e34d71e7fba3d6b4183d9c0247feab76648843551c11215ee04464
Status:
Included and unchanged
Block:
#5,161 852 blocks after it
Position in block:
Transaction 399 of 507
Award day:
May 22, 2023 (3 yrs 5 mo ago)
Value:
₱204,856,705.58
Project:
Dredging of Batangas Clustered Project
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 #5,161 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)PHILIPPINE PORTS AUTHORITY - HEAD OFFICE awarded it to KHAN KON CHI CONSTRUCTION & DEVELOPMENT CORPORATION on 2023-05-22.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)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 cc5aafd031…e04464now …
- 2. Block Merkle root changedstored 8b7ddbdb71…438538now …
- 3. Block #5161 hash changedstored 1bc84bae85…cced2dnow …
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 506 records. Each step hashes the current value together with the sibling shown.
- leaf cc5aafd031e34d71e7fba3d6b4183d9c0247feab76648843551c11215ee04464
- 01 L cc5228699b240473b66d84eda245e24f6b911a7acc2e668b33d891daca21dec1
- 02 L a3d8cff1a871d77fd3fcfdb34062da49ed5c06e27c350509c329ce905a9fb83d
- 03 L cb2c3ecb626d7503e956974d22ddbe3bdf973ba21bb9fb41fc59a4a368fb1129
- 04 L 358c1b1dddc2a301e5d71ca1b010876584e9c485254b98a6df42f19bd6dad2de
- 05 R 754ca8050d03038442b839240991c8889337635e250388db7f157c4804546313
- 06 R 4341968b62a00eba9990d1fa412958e0e39ff5b785bc3bbdb8519569f1d600f6
- 07 R a9a8e2884460cb2e3511474bf3f7c88c140054a14e5a130540fc6c8485509ee3
- 08 L a55f07f0fbabf81f9f9e5019825685ec2685e140b89aac41feb789a73d1ed76a
- 09 L 1293991e82477d1765700ced82afd0f4310436d8a989794bfadd0f7eca186dd8
- root 8b7ddbdb711bd2496b37bb354cd750a6314ec72d0e6c36cb9ba97541ad438538