OpenTechnical

OT-2026-000083899

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single 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-2026-000083899) never changes.

Identity and time

Publication numberOT-2026-000083899 · never reused
Internal UUID01a0ae98-0418-748e-9df4-07ff0128801c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083899
StatusPUBLIC

Content hashes

Canonical text00f31d55f2887662f4562d5f8b2babdc12c79632783e7026bb692696827da557
Markdowna26cc63291c0391f712b0218745253cb1eb3993bad39e29c8236b3d0ef8daaa9
PDF
Publication page57292295fcc5968975e59bafc09ab1b78c1e637040facbfedb5a0ef927e14556
Manifestc726b7eb4806ee77f6a42826b21802a13f6f7d3495285a926b3782873c99aa2c

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
SignaturenlanP09gs9fmoSchFj5676Gzx3j9kRxZ+2HmuFM3Xpb/z0p36B3TvPKd9KArZutitAOLMkA2aCzi++Vfrl+ECw==
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

2026-09-17T10:00:22.615159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899
observed 57292295fcc5968975e59bafc09ab1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.589774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/manifest.json
observed c726b7eb4806ee77f6a42826b21802a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.565000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/publication.md
observed a26cc63291c0391f712b0218745253cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:22.536168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/publication.txt
observed 00f31d55f2887662f4562d5f8b2babdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.050350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899
observed 57292295fcc5968975e59bafc09ab1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.033194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/manifest.json
observed c726b7eb4806ee77f6a42826b21802a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.016661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/publication.md
observed a26cc63291c0391f712b0218745253cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:33.998626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083899/publication.txt
observed 00f31d55f2887662f4562d5f8b2babdc...
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.