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 - REGION XI Award a ₱27.0M contract to WALTER NG LAO CONSTRUCTIONNational agencies
Transaction hash:
8b0a906fc7809c1ffe2aee3b1c7565f2f4c1956d4a76e3a97734f22fee74ca16
Status:
Included and unchanged
Block:
#1,861 4,152 blocks after it
Position in block:
Transaction 56 of 95
Award day:
Sep 13, 2013 (13 yrs 2 mo ago)
Value:
₱27,048,224.30
Project:
Proposed Repair of Damaged / Settled Paving Blocks
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 #1,861 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 - REGION XI awarded it to WALTER NG LAO CONSTRUCTION on 2013-09-13.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 8b0a906fc7…74ca16now …
- 2. Block Merkle root changedstored 79c59ca5d4…8ebf43now …
- 3. Block #1861 hash changedstored b28ab98138…2c5256now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 94 records. Each step hashes the current value together with the sibling shown.
- leaf 8b0a906fc7809c1ffe2aee3b1c7565f2f4c1956d4a76e3a97734f22fee74ca16
- 01 R 8dd27c49d411e08032e5da1dba3abb931836f45c081a2177ee53bdd554cf282b
- 02 R 100d3d4febc1fd2af5ca4b246b5e5aaa4d1407653a7b86aa9334c4829cb8ab99
- 03 R a76794baca6c189f4cddd98d3011bb68493011b32c6e404c3372fd790b10102f
- 04 L bd95f3994ca1d69f868f6518150e95a6c74d3fde57a77fb051a536577fd619f4
- 05 L 9fecba72bdbc4381f4a250eea5014c925c66d981c699c5b10f8bae75ab5ba8b2
- 06 L 95d8df745ad7dac946bef10019ea3f12f9ce206bc3411781cc1b62f02d1d59b0
- 07 R 12098fc113d411483e4220875a17e17e78a2f9aea8a7a81b47e8821efc1690d2
- root 79c59ca5d4750c33285dfb838225ce494106f678919e812e8bcbdfba358ebf43