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 4TH ED Award a ₱997.3K contract to A. SANDOVAL CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
a052e7da4a57de6fa0f6f12e61fe41652084c5b43761ca7ed1cf6a41e6133a0b
Status:
Included and unchanged
Block:
#1,702 4,311 blocks after it
Position in block:
Transaction 103 of 192
Award day:
Mar 13, 2013 (13 yrs 8 mo ago)
Value:
₱997,334.00
Project:
13DD0044
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 #1,702 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 4TH ED awarded it to A. SANDOVAL CONSTRUCTION & SUPPLY on 2013-03-13.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 a052e7da4a…133a0bnow …
- 2. Block Merkle root changedstored 0655ee1aa9…fc674dnow …
- 3. Block #1702 hash changedstored 0c8e7bd5bc…414a77now …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf a052e7da4a57de6fa0f6f12e61fe41652084c5b43761ca7ed1cf6a41e6133a0b
- 01 L 9da8738bd0b645d24bcfa0ae1415ff08257ef41764527da4b12fa27d9aacb89e
- 02 L a0f1065d162026bb8a3176af33e9ac5eb1df9fb9d04c675e1a338d021bdd4692
- 03 L 2491b232ea7b94b8c6d20bfead687a12c55007495a1be19b8a39c915810d4c51
- 04 R 9637e00af456d33af57797d0cd34d2129fa907fc6e647cfbf67aee004c77ca49
- 05 R acb0b8d269b720f837fd670d1ec2cc2c603985cd069fbcde8cef248f67296107
- 06 L b1b48e1dc0e2bba0ba1f034b4a299e3e8e6c1ad8077f3b32a6be8299078be124
- 07 L 3b58ed5726b71a0c1aa1301d501a98f065fe7cb6ef493da07545bbe5370505d7
- 08 R c49bbaa0aca6c94ea5af361270386a166cce13d3d6380af2d1f6fc5353227ed3
- root 0655ee1aa96ffbea1282fce894e88834764a74b2ac8b849d6bc3789cbffc674d