OpenTechnical

OT-2026-000058478

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000058478) never changes.

Identity and time

Publication numberOT-2026-000058478 · never reused
Internal UUID01a0ae88-f39b-76a8-ae70-3818a2dfe24d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058478
StatusPUBLIC

Content hashes

Canonical text3a759015403fbe098bdd93066f0dac1aa4badfc28eecf0a52e0ce892d5e3b616
Markdown832103cd2c6d9369e936641f4bf654b7069189e9ccc8289edbad412104c15e63
PDF
Publication page287411bffa64605fcb3629c714c3e924a67b2367aae980e5a1ac6efaefb593c8
Manifestcfe6567196f0dd6d8f6448dd5ccb3dfff3be861035b9d198cdac681c0fda9b56

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJpJPfNXETVVz6iDyU4jJHiOEJME8NSXJLuDk3O76CGzCpnO+vuqOhNJ//2ZwToofvUbaYrJOSJMWDNIVZ4csCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:55.985155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058478
observed 287411bffa64605fcb3629c714c3e924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.968294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058478/manifest.json
observed cfe6567196f0dd6d8f6448dd5ccb3dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.951394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058478/publication.md
observed 832103cd2c6d9369e936641f4bf654b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.934722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058478/publication.txt
observed 3a759015403fbe098bdd93066f0dac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.