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 - BATANGAS 2ND ED Award a ₱1.2M contract to GREENFIELD CONSTRUCTIONNational agencies
Transaction hash:
50c01b5c1c5e12e00a5366f1d6391c11e5a617257ebdca29f7db8c0130dcc4f0
Status:
Included and unchanged
Block:
#3,956 2,057 blocks after it
Position in block:
Transaction 57 of 184
Award day:
Dec 5, 2019 (6 yrs 11 mo ago)
Value:
₱1,176,051.22
Project:
19DE0224 Repair/Maintenance of Drainage along Pali
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 #3,956 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 - BATANGAS 2ND ED awarded it to GREENFIELD CONSTRUCTION on 2019-12-05.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 50c01b5c1c…dcc4f0now …
- 2. Block Merkle root changedstored 0f59430def…a4410enow …
- 3. Block #3956 hash changedstored 9ea580ca94…87a943now …
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 183 records. Each step hashes the current value together with the sibling shown.
- leaf 50c01b5c1c5e12e00a5366f1d6391c11e5a617257ebdca29f7db8c0130dcc4f0
- 01 L 5071d3d99eeb269ab3652f585199ef40f02551d33418ced9c43c17f9ad49309c
- 02 R deb531db498942e5689447ed8871d82173cc53143e4f1fb9b922416712c6418f
- 03 R 004b8cec57c0d2d17bf7a0ca1eb08e7d82a543f5f2e1aaa1c5ed16b4f67715b8
- 04 L 6577f57448bf1e04ccb071090a0a285dff643dc3513e7a4001ad6b6bc1c9ef9a
- 05 L ec53d26bcdcb46314a5062cb394f06eb6b769ecc230894595cdb8ebc52f69034
- 06 L 9f642dffc9556fc8281c6d07e71dc4f901bf54f92282e92f8ac5d8038b312fe7
- 07 R 909f2780d89983a59c52c5a1cccfa02f50bf69bb57700adc37c609a4adf05b79
- 08 R 8d98f8caee452c3f8529de9dcf3538447a8ac702c152d3c2026dbe5a69515dc3
- root 0f59430def15ae4451fd45dd7ba4f0cd58941af026be4a20d94d0a33bea4410e