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
PROVINCE OF DAVAO DEL NORTE Award a ₱1.5M contract to TAGUM CONSTRAK CORPORATIONProvinces
Transaction hash:
fc8ee7299db1237c17203fb6cf0f0f893d4973db8e75815a6f7673445fa40c01
Status:
Included and unchanged
Block:
#4,944 1,069 blocks after it
Position in block:
Transaction 192 of 195
Award day:
Oct 11, 2022 (4 yrs 1 mo ago)
Value:
₱1,470,729.00
Project:
20221657B/2022021324
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 #4,944 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)PROVINCE OF DAVAO DEL NORTE awarded it to TAGUM CONSTRAK CORPORATION on 2022-10-11.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 Davao del Norte 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 fc8ee7299d…a40c01now …
- 2. Block Merkle root changedstored 439adbd4d2…cd15a2now …
- 3. Block #4944 hash changedstored c871ccf2df…2493cenow …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf fc8ee7299db1237c17203fb6cf0f0f893d4973db8e75815a6f7673445fa40c01
- 01 R fd0c8c719d92ffdb64f264e13789c46e2564ff7ea86d29f5f4b5779eb57da8af
- 02 R 4c8ab1c8ede68a93dbc2ffc83f970ad878e3d6e3331cba255e61cde1123d349b
- 03 R 7625dff12d3a368d6ffbabc5188449218ffa6b9d55faf78cf6866b8aae9a750f
- 04 R f77e8529a222f2eb2a2eef2b3b59ec2ae7b640712b08349ce52f00363c19818d
- 05 R fbcada2c6a6754d1db26157127973877a5808794e9e503a133fceacfcd744b9f
- 06 R 1ef287f186536edbd9208291dac8004c1e35a5a817198832517fc42b33a812a8
- 07 L 653088b74c32bcae464781acf25e0e3ad67bae6b265d0e2e3aad8af019bb7f62
- 08 L d7929f03b7610ef99ce5fb88f548ba47d85da8e3279dea67352e57ae59f808a5
- root 439adbd4d221bef406cd8bb8075d87b459a8bd2dae3e3bc9360b36d4e6cd15a2