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 - DAVAO CITY SUB-DEO Award a ₱3.4M contract to MEGILA CONSTRUCTION DEVELOPMENT & SUPPLYNational agencies
Transaction hash:
bf66400de04fbf2c282aa9b09e0a54167c48e3fdf39ccf042224f47b77cba255
Status:
Included and unchanged
Block:
#2,492 3,521 blocks after it
Position in block:
Transaction 201 of 268
Award day:
Aug 17, 2015 (11 yrs 2 mo ago)
Value:
₱3,434,619.06
Project:
NTP, CONTRACT, AWARD
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 #2,492 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 - DAVAO CITY SUB-DEO awarded it to MEGILA CONSTRUCTION DEVELOPMENT & SUPPLY on 2015-08-17.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 bf66400de0…cba255now …
- 2. Block Merkle root changedstored 8a251154fc…df511enow …
- 3. Block #2492 hash changedstored 6f488256c4…1c6808now …
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 267 records. Each step hashes the current value together with the sibling shown.
- leaf bf66400de04fbf2c282aa9b09e0a54167c48e3fdf39ccf042224f47b77cba255
- 01 L beeeb7aea272ecf43b772ee4c8b9964a3a3a49727ea060b58d7d3a151fb056c3
- 02 R f991e4de61d316d9208f535a23f935aab68beb5ffc02a4f9055abed84751a7a1
- 03 R 929a1def6be525c21226eac861a20e30919e88c0f97b48d44c3cf7f8a4ca973b
- 04 L c1ac4f81ede9f612c33f7caa3d58f65edde72a7f3e54d598b602e68c8fb2ebb1
- 05 R 87c056df4c52d525125d041076ef9e1b0db437b6c5e63234c570acd029d2828f
- 06 R 863cb6fbb3190a0a257f40e3e8803fd5695487464a0df882c29ab20acc9f1fe0
- 07 L dbabb70f6da85feb342608d51c415bf94fa34bb65e4f255486856676f6438c83
- 08 L 77089ee0f7ab15bd02816cc80f956f264dcd3035a373946035c9f78da6958f49
- 09 R 9d3a3c9b2afa2a7be3bcf32bcabd81dc27222a80802b43f1145fa26502b72a49
- root 8a251154fc9ab8bf56af189bee30c8bdff682bab575bff28ae555f3d7adf511e