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 TARLAC Award a ₱390.6K contract to HIMULICO CONSTRUCTION AND SUPPLY CORPORATIONProvinces
Transaction hash:
dd6decad6dec7a06fb9b75cc9c3e7cb671333100c96bd2a9f9bcfb21103fd16b
Status:
Included and unchanged
Block:
#4,674 1,339 blocks after it
Position in block:
Transaction 428 of 480
Award day:
Dec 29, 2021 (4 yrs 10 mo ago)
From:
Value:
₱390,649.53
Project:
Construction projects
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 #4,674 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 TARLAC awarded it to HIMULICO CONSTRUCTION AND SUPPLY CORPORATION on 2021-12-29.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 Tarlac 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 dd6decad6d…3fd16bnow …
- 2. Block Merkle root changedstored 72257c473f…33288anow …
- 3. Block #4674 hash changedstored 53ef459869…c70c30now …
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 479 records. Each step hashes the current value together with the sibling shown.
- leaf dd6decad6dec7a06fb9b75cc9c3e7cb671333100c96bd2a9f9bcfb21103fd16b
- 01 R df2a39b9b244acbc290262475820395a440a43846ce819c91dddf76db4a9b440
- 02 R 8c6f7e21be0748d5eb27dfa7d73d68a90d052f36943125deac22809584035217
- 03 L 631b5a9e855cca9d8c962f8b509e310321497cadc6511f5c3820299cd80f11ce
- 04 L b5afe5ae15e889d751b2f03095d60f07a2de49a0e4147fcf321d8b19a8b42feb
- 05 R 2859912a9b8e3245517d6c73f3e802bbc10bb6b41f9690a10638b92625a6d80f
- 06 L b3ace7e788bccf8af318f8d9431c9c1df1fe4614260249470cfad4606aa11769
- 07 R 3ddbf1b40860705990ef72e06c51b0dada30028382e8657c3608d65016612d94
- 08 L 46cd49b2a29cd18a2bbaa86aecee6e0682531eae808d2f79427707c15582799b
- 09 L 5dcf30481290d6f9f3a340a09e5eb8fcba9e953a14a5445450c3a144ff783a11
- root 72257c473fe9526f28ba32b3fb435a5e7524f8129fa50cc0dc2d61e5c533288a