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
CITY OF QUEZON Award a ₱1.6M contract to 4 DOUBLERS TRADING & CONTRACTORCities
Transaction hash:
dea955375185ba2b06fb2c8dab811175d6b7420d780d654d44c66e8e9eebb524
Status:
Included and unchanged
Block:
#2,869 3,144 blocks after it
Position in block:
Transaction 136 of 153
Award day:
Oct 5, 2016 (10 yrs 1 mo ago)
From:
Value:
₱1,622,633.96
Project:
16-15002
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 #2,869 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)CITY OF QUEZON awarded it to 4 DOUBLERS TRADING & CONTRACTOR on 2016-10-05.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 City 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 dea9553751…ebb524now …
- 2. Block Merkle root changedstored ed4e29126e…b4993dnow …
- 3. Block #2869 hash changedstored 0416021660…81f932now …
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 152 records. Each step hashes the current value together with the sibling shown.
- leaf dea955375185ba2b06fb2c8dab811175d6b7420d780d654d44c66e8e9eebb524
- 01 R e637a95d59f0a8f5486facb17282170e9649d20778fb43e56183bcf1ec3c7cad
- 02 R 3a21cc9ca89369ee398459bbcee55785b46de713d8112e943b5aab98a73d865b
- 03 R d7eb61dad72220126d05a344088f1ac0645c20004e94b5a97402f001fa4b0662
- 04 L aaafba73cd9d31415991f2cd70c3b8181be6526d890442330fd89b4950cbb125
- 05 R c1a00cf91af761b82331e8837f80e130a948236979763b8d752f191b1595d348
- 06 R 05abda023f4268763a5fc9d5539ca6e62214ef7d731b244959971dd78b7a20a9
- 07 R d689506c151739a3f73b7be92129b738654289a2a4ca1d9ba493fbf8005b2208
- 08 L 3e7f665c884f34f0e4d60796a032711cc2efef67dcc03582bd1183f79d32575a
- root ed4e29126eaeaefca5550cf362f74c54eabb6206976d34c4c4c9e2519fb4993d