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 ₱5.3M contract to ALVCO TRADING & CONTRACTORCities
Transaction hash:
9fc67dffb16a4a554e83b73c91664ec911f81f9a9a66287933b6e298de65937f
Status:
Included and unchanged
Block:
#2,573 3,440 blocks after it
Position in block:
Transaction 134 of 209
Award day:
Nov 10, 2015 (11 yrs ago)
From:
Value:
₱5,313,683.98
Project:
15-15001
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 #2,573 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 ALVCO TRADING & CONTRACTOR on 2015-11-10.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 9fc67dffb1…65937fnow …
- 2. Block Merkle root changedstored a5b37d78eb…0f13c2now …
- 3. Block #2573 hash changedstored 67f3978c92…a7ff48now …
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 208 records. Each step hashes the current value together with the sibling shown.
- leaf 9fc67dffb16a4a554e83b73c91664ec911f81f9a9a66287933b6e298de65937f
- 01 R a05501fd7f7ffde6504dfaba441ad2f0d2f31d2850625bd22241d94c36ec269f
- 02 L 2c1365150cc8f63e918f41112102ae89a735c5cf06493b69548f78060fe58114
- 03 L 31f50228b59ee569854c0b4fef67e4acc2b1fc1c42c423989c5ac80e035020a7
- 04 R 1fc4871ea7a867ea111a72c4e4941823bc44be98b0a3c16a98c893972d38bedc
- 05 R 02bfbd470f7d7eca8b7c39fe607c0bf134106b497702ca74f8daaa3144a123e2
- 06 R 7ed9dedf852f8a1bac8ff63ca034414782b862f3b7c76ef0d6f039dcff904e32
- 07 R 82cdffaa718956d13954a8cab34a12cc5aac9003dc8895d05d03ff8c87243235
- 08 L 3e7b920203894af30095f0f5404134b5a1ebc9f118e6f18410df8faf16b7f0b8
- root a5b37d78eb277104e79dae21a1941f34902284eaa7d198e013a154eb8b0f13c2