OpenTechnical

OT-2026-000081243

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off 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-2026-000081243) never changes.

Identity and time

Publication numberOT-2026-000081243 · never reused
Internal UUID01a0ae96-f373-721c-8605-c52d3bcbb090 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081243
StatusPUBLIC

Content hashes

Canonical textc5f8bbce7f2ecacf963ae15a42423bba03dd11ea9c65db6d0c3a269cadafcdf2
Markdown63559c1464fa1f1749a67a15ff47d25083beb04274764494b13524823254f9b9
PDF
Publication pagec3edaf4f515b72913c3c16b3f8cc8b4833776935e7676d1039cd6ba65936e745
Manifest90f2c6129ee7ec6c799eeb7c6ffe37c579e89fb191ba9fece510ec122b4d1fd9

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
SignaturetG8Ez2hscijy0ym6fllYBC+2yfLVFAwkiTZHWxPyLAZBQiO4pL1p7N8E3h1Tia0M4AArUsILRD9WtielYRWQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:19.973889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081243
observed c3edaf4f515b72913c3c16b3f8cc8b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.955075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081243/manifest.json
observed 90f2c6129ee7ec6c799eeb7c6ffe37c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.936602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081243/publication.md
observed 63559c1464fa1f1749a67a15ff47d250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:19.917948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081243/publication.txt
observed c5f8bbce7f2ecacf963ae15a42423bba...
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.