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 QUEZON Award a ₱6.8M contract to WYDERWAYS BUILDERS AND SUPPLIESProvinces
Transaction hash:
ecbf9e05619a6f4e975e09b7df26518db7e141dc4556288d5d94d1614cc12015
Status:
Included and unchanged
Block:
#4,014 1,999 blocks after it
Position in block:
Transaction 574 of 608
Award day:
Feb 3, 2020 (6 yrs 9 mo ago)
From:
Value:
₱6,791,158.93
Project:
Construction of Materials and Civil Works
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 #4,014 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 QUEZON awarded it to WYDERWAYS BUILDERS AND SUPPLIES on 2020-02-03.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 Quezon gave a "unmodified" 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 ecbf9e0561…c12015now …
- 2. Block Merkle root changedstored 2ab1669a7a…bf68a2now …
- 3. Block #4014 hash changedstored a07bf23c15…6a6a0enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 607 records. Each step hashes the current value together with the sibling shown.
- leaf ecbf9e05619a6f4e975e09b7df26518db7e141dc4556288d5d94d1614cc12015
- 01 R eccbc5deade29c01201ed73c0576cde7697d1f01c9cf762ac8a167d07d60cc98
- 02 L 371a9f32d764f7850b89094ee0dcc9396f161f6095df3c8a6dd067c15430c18d
- 03 L 4b935cb5186ce1a2887dc2f40f8a989a1c190a9b5be6680100df1656ecc9a4e2
- 04 L 8055729cb4fa71529934969aca89f670bef318eff71e83d5d1cb98b09afc8800
- 05 L a5ef3bf9473b11d91d909bfdba8b65d6cdded75a48110abc705f84235756500c
- 06 L 8e5664857aea541a0add28697d762794eaa375b4d8a1c7c252b0525e7250d263
- 07 R 0ce91089908d82db52557b0572b9fea32313ce0d2440995af01a4693306f6f7e
- 08 R c14e67d77c1f09b7722b80bb0547e5216b6781a406d4275dc0cd0a2bc5aab24e
- 09 R 3503dd43f3a687781e3016426f4dad23d3e971138e9bd7de49e6e81a255a7d18
- 10 L 23d2aa2ff176520421ad114c2f0af097f913908b335a4f49c368d8226c189d32
- root 2ab1669a7a5de2b5ad78686bf08d8d9a13c7dc834ede66db19711eb69fbf68a2