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 - ZAMBALES 1ST DEO Award a ₱26.0M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
d4c1913581fcd01d81e7ea636c61a54ceaf2cb1e7cf493eb4facadea0b61ce73
Status:
Included and unchanged
Block:
#4,714 1,299 blocks after it
Position in block:
Transaction 500 of 602
Award day:
Feb 9, 2022 (4 yrs 9 mo ago)
Value:
₱26,004,877.93
Project:
22CL0001 - PERMANENT BRIDGES, BANLOG BR.
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 #4,714 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 - ZAMBALES 1ST DEO awarded it to ALPHATEC CHEMICAL CORP. on 2022-02-09.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 d4c1913581…61ce73now …
- 2. Block Merkle root changedstored 7f1c034012…8c643fnow …
- 3. Block #4714 hash changedstored 5d9b8cfe68…1acc41now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 601 records. Each step hashes the current value together with the sibling shown.
- leaf d4c1913581fcd01d81e7ea636c61a54ceaf2cb1e7cf493eb4facadea0b61ce73
- 01 R d51ab46082578acf69a9052745d874b2c9d36963cae72d5ca5ae908b57ed44d6
- 02 R e30faaac562c5dff0230b4fba570612459d7c3a4eb73ef5a4758bdfb8940d344
- 03 L 7b8d7f908ec22f0e4cb8e029c6cd0bd89581ee31b4a347de84a70f44535cadf4
- 04 R 2da4247238616e33081190762a57f9cf4511dd6c775c414759b94d8e9be93132
- 05 L da360b77f64baf9ca2470c0c4d5602cf19dcaea562ed022b80be02906091db2b
- 06 L 9adc1b8c244a23d40854680c71bbee3688b17ce3ced09ef8dac14d90b37caa30
- 07 L a8828061e1463926c348b04c38bb057dd07f9a138bebbb9c377bc5055d3da0bb
- 08 L 8db73294f008978b88e43778c45b0ef8d22d637433c1a3428275c6223147f0ac
- 09 L d2d9d3a30ae0cd7db6927c6a53d6fe3cf7c4377cc42e76c8e462aa972e5a648c
- 10 R b14bb91cc23c0c7ca9c437b6b389662d277ab7f92de1ccfc44fb59d579cfebde
- root 7f1c034012f45bdb9b7b814b85bd3fcab23ffebd269ba1a28fbfdd4b6c8c643f