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 - PAMPANGA 2ND DEO Award a ₱8.7M contract to MAM CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
0a64e590dcdec643a31e8c194b2b48fc2f06a186a4c40a788c59927947a7f0cf
Status:
Included and unchanged
Block:
#3,288 2,725 blocks after it
Position in block:
Transaction 74 of 1,412
Award day:
Dec 28, 2017 (8 yrs 10 mo ago)
Value:
₱8,720,333.11
Project:
17CH0161
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 #3,288 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 - PAMPANGA 2ND DEO awarded it to MAM CONSTRUCTION AND TRADING on 2017-12-28.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 0a64e590dc…a7f0cfnow …
- 2. Block Merkle root changedstored 64613355b9…bb9921now …
- 3. Block #3288 hash changedstored 3cb6d0a1d5…43ac58now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,411 records. Each step hashes the current value together with the sibling shown.
- leaf 0a64e590dcdec643a31e8c194b2b48fc2f06a186a4c40a788c59927947a7f0cf
- 01 R 0a931720badf9bef8e707cf3ebe216fb25fd7123104ba5269b41c4e3cb0e2e1c
- 02 L 13cb9d9cbba87152263311ef426ec6c2aa2d678ebd5c525d84b2b098befe9dd3
- 03 R 38705278151ba796f59e3e78a493d77513f0c2c7da9f8c53fcb8032bcc71e5b7
- 04 L 04fa6f14f4f1d3e3166db8327ef4a190e893d44c3d570f7bb1d0d62f5de1791c
- 05 R 3d3b5e9e3a92f4ebf26eab4c1ebb9107d2731910f4fab30a955ed0dab0c12c1d
- 06 R 8b4635f5d68bcc1e3c63630f19eebc7aea3afe479e947c40da66c6a20f32f61d
- 07 L 3f14ead9af45549d21dfc8dd4ae98c086729268cda459acec58dcdb3f01c02b5
- 08 R a0e6e3db1c86ec23f66cc1dd33417b8d905f8de8c14adaa2daba486c3e7a141b
- 09 R 7a9662e7f88150232838650b6d252dd7157f97adada3f5aa4594d14e29483951
- 10 R 225394003984aa21d5131b6773da19693a18d5f99712d52f1208f84732999133
- 11 R 2ef4508f70651af07ad638e450db23cc4fbf801a34a6d7c08089ba1d7e004443
- root 64613355b977568d1084de9163c534dedc8c83edeb4ca2352846127023bb9921