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 - LA UNION 2ND DISTR Award a ₱1.7M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
4e3571c52c3bb74988db39e17e3e562d275113b19a87d72c7fb0cb22f267eee1
Status:
Included and unchanged
Block:
#2,555 3,458 blocks after it
Position in block:
Transaction 46 of 138
Award day:
Oct 22, 2015 (11 yrs ago)
Value:
₱1,714,588.01
Project:
15AF0051
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 #2,555 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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2015-10-22.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 4e3571c52c…67eee1now …
- 2. Block Merkle root changedstored ffeba1f294…6b132bnow …
- 3. Block #2555 hash changedstored 8eecb955fd…530bc9now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf 4e3571c52c3bb74988db39e17e3e562d275113b19a87d72c7fb0cb22f267eee1
- 01 R 4feeb9ae060c553e496e9f0d2556caccbcb424a223d1ccfa4d4d8edc947d849b
- 02 L 96555327d1378661b7b2a1d4f29ef6c25d40682aed0233aea931d325516892fe
- 03 L d58882dd423a8a0e477e65e0c15f9281f6fbf7f07d6c071ab93940675e4f52a5
- 04 L f537880dfee9ef3e4c76ba77da874543cbaa05cd20666dca003794e1090f201e
- 05 R 1d0046e336696a7fbd8a65bc370fff38e4e70518be601ac9e515f9cd931e32bb
- 06 L 477ab820e36440be83c6c0777e153ec120257888ca3bb01590ebadc4045861c8
- 07 R 794619e7ada3802f836b36bd2d7fa1dad94cc409d338d6c7ba14f26e208b9abe
- 08 R 89d717b5c4d902b1d72d0a890af5c7d295baef5aa4408056310afb9d70144d24
- root ffeba1f29486da00e5dda50d8c92fd1c16f3ad4ee52bc4867e7238d4fe6b132b