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 - PAMPANGA 2ND DEO Award a ₱1.9M contract to ARROW CONSTRUCTIONNational agencies
Transaction hash:
a146afbc2a29087cfc8db378568d2b1bd2a1c4b9147e858158e93dbd856e6973
Status:
Included and unchanged
Block:
#1,683 4,330 blocks after it
Position in block:
Transaction 176 of 271
Award day:
Feb 18, 2013 (13 yrs 8 mo ago)
Value:
₱1,931,290.36
Project:
Concreting of Barangay Road Purok 1 Mabical Florid
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 #1,683 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 - PAMPANGA 2ND DEO awarded it to ARROW CONSTRUCTION on 2013-02-18.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 a146afbc2a…6e6973now …
- 2. Block Merkle root changedstored 28997a9d6c…acc51bnow …
- 3. Block #1683 hash changedstored 2c9de5e318…657eb1now …
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 270 records. Each step hashes the current value together with the sibling shown.
- leaf a146afbc2a29087cfc8db378568d2b1bd2a1c4b9147e858158e93dbd856e6973
- 01 R a1967ee2b7dd22c7f45526a2e6f7e559bacf94a619c094c2a5c723b445d46ccf
- 02 R a4916b481abcef74227018a80ba2021bf382d6a2743d55f03a879ca8f134fb4f
- 03 R dd0ac03240af89fb30d203c941969a229f4c3021b53bc5f83dd155011c3ef565
- 04 R a57d738ce763015f0ccfcc45dc64fe9fd98c063d3dea1c1da9bde11a5db7fdf8
- 05 L ce12ce2775a743550f2d95a0f7a06fe517f9df8f58c362c79d2e3925f76c44ff
- 06 L c691a988d67765b1440a2f4be3c73fa68291f65e4c5acde79f2dc9d6ad9664c0
- 07 R a795e4969059ab6e7ecbeacdf2273651a11dfa362946fab179299db80bfead4b
- 08 L b402c1f4d8f5febca57fbf3f7028c71f3f06f4b09d1e1698d75c877cdc7184d9
- 09 R 1c148762a9844a166160c1a4c39b9c28676ff8c8b954bfdb196d5a5b9651c187
- root 28997a9d6c7829910da984dd5bd36eb9ad1198470a7f06eaf50063dbcfacc51b