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 - DINAGAT ISLAND Award a ₱3.3M contract to ALGAMON CONSTRUCTIONNational agencies
Transaction hash:
dde29b83d37eecf7170e7e78fde5efb1b3d9cf142111fe988f838256e4df616f
Status:
Included and unchanged
Block:
#3,238 2,775 blocks after it
Position in block:
Transaction 249 of 278
Award day:
Nov 6, 2017 (9 yrs ago)
Value:
₱3,276,323.38
Project:
17NE0020
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 #3,238 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 - DINAGAT ISLAND awarded it to ALGAMON CONSTRUCTION on 2017-11-06.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 dde29b83d3…df616fnow …
- 2. Block Merkle root changedstored bb74345efa…8e88afnow …
- 3. Block #3238 hash changedstored 67d3d13bf9…03a517now …
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 277 records. Each step hashes the current value together with the sibling shown.
- leaf dde29b83d37eecf7170e7e78fde5efb1b3d9cf142111fe988f838256e4df616f
- 01 L dc6909a71607dba01b28f1652931615c9ebaf7b5d3d5b8376094cd98817660f1
- 02 R 5ca2413ece1e590af39091d7f18d4c3b4b724f3c48f6e772c868913bb9cd4e2d
- 03 R 7dda67960b5d6a30beb491683ec97cbc7a1022a98cef773812699640c45ab8d2
- 04 L 7cd02d78a0df239f71bd1a7f0caab21c1c673448978a63cf941cc710b7f63f73
- 05 L d8a7cf4b33d5c547703e15ab2c11e84f859eff07fa0170acf7616b3ef0bef43b
- 06 L 00b0d8a80bd6e31e5518551dd4337cb295928042738277816e5ee72b209ec33d
- 07 L 6e07c52b7f49fd81f68c3f864c6830c9f4095dc7a96e1929733136c090ee11d0
- 08 L 4e362f3ef7d94bda94af00392787604c05034872c05cbe5ecf43f0454d68510e
- 09 R 0f01bb82030d6d270f634e1156389c7dc19c3a3bf96e60d5a9c225f87a869201
- root bb74345efa6835f1780f104af292f0fa5f72fa57ef6aaf1cade31e916f8e88af