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 ₱36.9M contract to GRANDEUR CONSTRUCTION & VIBRANT REALTY INC.Cities
Transaction hash:
8ea393e9b6e64a2ebdb167a432d37150e746711c58dbb232154bb30ac7f483d5
Status:
Included and unchanged
Block:
#3,036 2,977 blocks after it
Position in block:
Transaction 185 of 333
Award day:
Apr 3, 2017 (9 yrs 7 mo ago)
From:
Value:
₱36,940,705.46
Project:
17-2005
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 #3,036 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 GRANDEUR CONSTRUCTION & VIBRANT REALTY INC. on 2017-04-03.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 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 8ea393e9b6…f483d5now …
- 2. Block Merkle root changedstored af8c000ca6…e2a36fnow …
- 3. Block #3036 hash changedstored 543f0927f5…36f60anow …
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 332 records. Each step hashes the current value together with the sibling shown.
- leaf 8ea393e9b6e64a2ebdb167a432d37150e746711c58dbb232154bb30ac7f483d5
- 01 L 8df16c6b74256f4af437ebca9e61addd27f4e56addc605bd1f84dda9f5479dd3
- 02 R a356031b7ad5859fe096ca38c737bf3b555de58255312cefb001bd42e8978a51
- 03 R 7655deafc33ea48c0428c6940746f13fa4016fe2bb9899084d66d2bd62cb28ba
- 04 L c5965001100720d73ddc9a3b015b3fe2f51e9193402e6e77189ce18d451a546c
- 05 L 342e1ec16ca5dc24cd5c71ff678cebad1e063697375d24c76d7b839cbacf8aed
- 06 L 52f0ff8941a9035bd415775c2190f7486f2db07e3ad9b9ca8b5c2ae707c886ce
- 07 R 9e1707329d11fc1d67cdc703b4ba5e91f15cae0ddfb1691a020e55eaf29d7f78
- 08 L ff7e90f4a4fdc20917430588e4f0b8ad0883761afbdc5d69a371fdbfa8874618
- 09 R 20a7ab81ee13f283ee680f065062653d7797d1a68772d3614046a7c632ec98c1
- root af8c000ca654187acc812763b2821cf6413a2d9dbf98cd50a4ca9dff28e2a36f