OpenTechnical

OT-2026-000081447

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000081447) never changes.

Identity and time

Publication numberOT-2026-000081447 · never reused
Internal UUID01a0ae96-f375-76a9-a80e-3e814a81cfbc · 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-2026-000081447
StatusPUBLIC

Content hashes

Canonical text94c74d8aa4d23487200283801b2673bd824975608e6d499e6b52bd4e3df8b621
Markdown0b4075e43ce9670caf43796b938ef3727a682c3ad21acd9b5d04f3c485589e13
PDF
Publication pagedec46f33cfee31c30646de1776f36fdf2dc379f9c1457e8cc7d1f4ff1fde8739
Manifest007ce7c368f3ca3e6f20c44bc6afb2f7686d288e8ed2c5b4b1b9ad19ec9e2dd1

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
Signaturebbj1g7Ij9Zp0TJOgg5U8ixNKth3hk9Lj6yGCmEmehkjJ5rvq66h5fs2swIiYg1DDe3Oa71GJhtHkE9oa41JQBg==
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

2026-09-17T10:01:36.460803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081447
observed dec46f33cfee31c30646de1776f36fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.442222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081447/manifest.json
observed 007ce7c368f3ca3e6f20c44bc6afb2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.424157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081447/publication.md
observed 0b4075e43ce9670caf43796b938ef372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.407084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081447/publication.txt
observed 94c74d8aa4d23487200283801b2673bd...
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.