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 TABUK, KALINGA Award a ₱498.3K contract to UPLAND CONSTRUCTION & ENGINEERING SERVICESCities
Transaction hash:
8d4f18e6a9c36eab16eb77ffaca1739d2f5986f24caea70596c1c0bd6895eea8
Status:
Included and unchanged
Block:
#3,885 2,128 blocks after it
Position in block:
Transaction 185 of 337
Award day:
Sep 23, 2019 (7 yrs 1 mo ago)
Value:
₱498,307.95
Project:
Pathway
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 #3,885 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 TABUK, KALINGA awarded it to UPLAND CONSTRUCTION & ENGINEERING SERVICES on 2019-09-23.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 Tabuk gave a "not stated" 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 8d4f18e6a9…95eea8now …
- 2. Block Merkle root changedstored 66244c1192…8e5d74now …
- 3. Block #3885 hash changedstored 5eabc7c3ea…383d86now …
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 336 records. Each step hashes the current value together with the sibling shown.
- leaf 8d4f18e6a9c36eab16eb77ffaca1739d2f5986f24caea70596c1c0bd6895eea8
- 01 L 8c46337b43955eef1e74def22f21e50e16381aeaf2f3c8200c690ddd1517537b
- 02 R 76d5e1e30b0e4b754066c6d986df903aea6aa907e95a1f81fc498d01754e0d05
- 03 R 0beef77400e5c78c2a36bc16b7da7364b65d9ac3466766fb0a9af45af29e1d97
- 04 L 964d21a30008a776fbe67857d2455a9880736c4f0c58b25c09e2eb702cc76a25
- 05 L f1bac584173909a31e70b2f16a31b832a8a983eace622a77d94492aa7f7fb69f
- 06 L fb56742c9517d9ef18ab9b6d7164553827ebd9d36a0601715178cfe7c38b46c1
- 07 R d8ab5515419a78ca77cd410f95d7d33065358753ab8ddbbdda70a2e8bed08564
- 08 L 22d385604d2d08538aa3ce9e5e193b358039145dba92a90bea52eaaddc0f218e
- 09 R 202c6dfc1952e907134ef396dc8bdba0e39d67d3129bd2ea7500725652e7d97c
- root 66244c1192520733180f14675f6f3396a0d67cc1fdff48fe1cb0d54ec08e5d74