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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED Award a ₱4.8M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
ca260c191372f74a03d6e18c541715c040c8c433b80c07f4f6d986b2c1daa151
Status:
Included and unchanged
Block:
#5,747 266 blocks after it
Position in block:
Transaction 187 of 232
Award day:
Jan 20, 2025 (1 yr 9 mo ago)
Value:
₱4,779,628.36
Project:
25DM0034 - Bridge Program - Retrofitting/ Strength
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 #5,747 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED awarded it to ALPHATEC CHEMICAL CORP. on 2025-01-20.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 ca260c1913…daa151now …
- 2. Block Merkle root changedstored c511287b6c…b4cbb3now …
- 3. Block #5747 hash changedstored eb2369160d…cf0096now …
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 231 records. Each step hashes the current value together with the sibling shown.
- leaf ca260c191372f74a03d6e18c541715c040c8c433b80c07f4f6d986b2c1daa151
- 01 L c88361c178d3373129f9cf5524ac51f458dc46b529989a9a925ee8c00db77e13
- 02 L 4a62c1a9f1c62176d036e26303d5cfc11a63ffaa87d18e2203a93abdb4f26588
- 03 R ffae0e6e2c3f2e138d1320fa09bc7e7059f22990c18251d4162de430178e4654
- 04 L aef84c75fb681401c2ad976213882b4ab1d0d09060bf8430b38f7423ad1eda20
- 05 L fc4920ba076e4a74717cfabd74ae5d608173cf192a40fbf0d574c24d08c1cc00
- 06 L 67cb6bd22f6554b7995481c82543c8e07db074eae08f8c788516c72f246c8e66
- 07 R b7ed35fbef8204b023a2c9d98cf86beba8e21cf7aa923d52b0f8bb2604227d83
- 08 L 219ba81ecefe044ecdf93e236b594551c732b8395b61152c32d55e7653d34fe5
- root c511287b6c7f76ca8691b3a2dcec0afb9eb4a6966bcc7af4abd20ac5f7b4cbb3