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 - REGION IV-A Award a ₱41.3M contract to PROTECH CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
abbda0d0ff7cd2b8e76315c455fa526c416dd6505b8c3ec4c88b4b2132ea7d45
Status:
Included and unchanged
Block:
#5,518 495 blocks after it
Position in block:
Transaction 301 of 435
Award day:
May 30, 2024 (2 yrs 5 mo ago)
Value:
₱41,277,841.70
Project:
23D00221
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 #5,518 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 - REGION IV-A awarded it to PROTECH CONSTRUCTION & DEVELOPMENT CORPORATION on 2024-05-30.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 abbda0d0ff…ea7d45now …
- 2. Block Merkle root changedstored c68a51d5aa…ae0f60now …
- 3. Block #5518 hash changedstored 5afe880727…4698cbnow …
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 434 records. Each step hashes the current value together with the sibling shown.
- leaf abbda0d0ff7cd2b8e76315c455fa526c416dd6505b8c3ec4c88b4b2132ea7d45
- 01 L aa5bfbe05085eaeaa15354eb1c2426dfaedb2f05c624f622e85025cb802409ed
- 02 R ba30d7872f082a8bcd3aa0b825f4e786abb6020ae40106475136a149163ea470
- 03 L 47e61e538d651b656efc1fa8b0145c77f1530f0a54f492106753bdaed3b979a6
- 04 L e9c016e7a3def2d3484424e52a6a3e9729709abad233c24d0664c0665eb4c461
- 05 R 4d4519983c422a755c0e0880ce28d443270e2a49eac46888b9df0c43ed8eca91
- 06 L c5b001450b8150d27817a7680f363b6c4310eada1d971ec019313255a0ec6044
- 07 R 6ee79f83a9ca1d8dcd2b1d2670a42c3cf31bcf818b3f86fa4ac28282901ae040
- 08 R 591b25aefbf500c0e599483c28de84a7b7df23c87bf779fee975eeec1bb7ddca
- 09 L b9eada7f4f16fd19195dec80adda408a512d28455b0239775e3ccfbdf6fc7f7c
- root c68a51d5aa7554822c06ff2e2681acb81fcd1a89a5de29f9dffb2ef55cae0f60