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 TAGUIG Award a ₱14.2M contract to CALCON ENGINEERINGCities
Transaction hash:
fd40f15ee3958114b052dafc394669081786862329c0f12bb432e0a905922d67
Status:
Included and unchanged
Block:
#5,013 1,000 blocks after it
Position in block:
Transaction 230 of 236
Award day:
Dec 21, 2022 (3 yrs 10 mo ago)
From:
Value:
₱14,197,182.38
Project:
Construction of Drainage System at FTI Road
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 #5,013 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 TAGUIG awarded it to CALCON ENGINEERING on 2022-12-21.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 City of Taguig gave a "qualified" 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 fd40f15ee3…922d67now …
- 2. Block Merkle root changedstored 1e39a5092f…f715f6now …
- 3. Block #5013 hash changedstored 393d4bc8de…835127now …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf fd40f15ee3958114b052dafc394669081786862329c0f12bb432e0a905922d67
- 01 R fd5944a6c43252b445d839eb216fb8840a58550625a40958ab2a225d97e13e62
- 02 L 6795587f3f034aa9fb45a215f10a2145866f19c6e1ff2e5ffc1006e668e10c7c
- 03 L 64b8152f9e8d9ec1bf7ede49fb41abbaf92143e59825373ea4d51d93b5aa1d44
- 04 R df3cbf430d25894438980850fade8af42c896d3f1362f40d5e5632ace0ad7bfb
- 05 R 8bc0b88b58baed6b1894e35b6449b8cd6f26dfc5b735db8d42274cbc986d792e
- 06 L 4a69d7ad1c9e983a0e445f65865e67e8b89527bfa5aef86fd9b94688cd3596dc
- 07 L bba54b8b6e590724fdf80215358d77251b244ca902b4c0e0c149496372a96e97
- 08 L dd1297eb739c8dbf974cc4bd187abf4ce6807286aa09bae964473becb6919607
- root 1e39a5092f38c5154fc3b0d8adae3b3c60196f090862ff917ea8853944f715f6