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 - METRO MANILA 1ST E Award a ₱38.1M contract to AMETHYST HORIZON BUILDERS AND GEN CONTRACTOR AND DEVELOPMENT CORPNational agencies
Transaction hash:
4025d99e889807bbe940d3aa364820ae1c271285655723703f44ebd0560c0007
Status:
Included and unchanged
Block:
#5,079 934 blocks after it
Position in block:
Transaction 131 of 543
Award day:
Feb 27, 2023 (3 yrs 8 mo ago)
Value:
₱38,074,647.42
Project:
Contract ID No. 23OB0142 - Construction of Secur
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 #5,079 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 - METRO MANILA 1ST E awarded it to AMETHYST HORIZON BUILDERS AND GEN CONTRACTOR AND DEVELOPMENT CORP on 2023-02-27.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 4025d99e88…0c0007now …
- 2. Block Merkle root changedstored 1af9a3e33a…17acaenow …
- 3. Block #5079 hash changedstored 13266a24f6…d84d1fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 542 records. Each step hashes the current value together with the sibling shown.
- leaf 4025d99e889807bbe940d3aa364820ae1c271285655723703f44ebd0560c0007
- 01 L 3fca36e35acc01aec9301fc2374dee61366cda22b60fe0a498ff2eda259f2100
- 02 L d38cfe4d6578e4437447e8ae36a397aef45ee054ccd06be3d6a36865ff607227
- 03 R ccf4e25f2baed3e85acfd4161230c88a8e1483f7aa93f29611736ff08c31fd2d
- 04 R 735e33c8ba88ca801b0e59a3e1d32a1309380f63f624b073ee3b3cf7dad67dee
- 05 R 6af395eb5039ba5913208634fa8cbdb4f857ce3e1c614365612dcdf50e4ae6a8
- 06 R 03f67284b6673198dc1daea1e373c3ead54a5a908a6af8250ef4b3ba77bceb9a
- 07 R 0d1b369f1bfc071cf53107735c6820c057ab15e365a9a458f35ea26c6de3e997
- 08 L d4dbc7abe17d228b95aee4eaeb622052564e75f1721328dfb70f9474e8673403
- 09 R 87d755e703f7ea048fe3d48922c847dd140fb755e3561568615f109ee9aafafd
- 10 R 7b6b907811431a2d279e20ba35de815b975bacbac7a17ee12d37744e73b562b1
- root 1af9a3e33ad81cc6f6443dec4958845025709d246199928f4bcff165ba17acae