OpenTechnical

OT-2026-000099894

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000099894) never changes.

Identity and time

Publication numberOT-2026-000099894 · never reused
Internal UUID01a0aea3-1473-72cd-965b-92ac4462e22d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099894
StatusPUBLIC

Content hashes

Canonical textf8e7e3a55012f2a5534723798a8a0d0d9b3ecf8f1d1d7968585720ccc5a63aff
Markdowndf2640ca18d9f6349d4779562b32dd36f86bb1052c92270533f83d48a641b51f
PDF
Publication pagedfbb918c4befe08db8e536b235a958706b3a9767dc015da9c75d83b49ff755e8
Manifest4b27a8b13134bd8fe8abeb1891ecd2a93f4d2e23807ee519c7f0bb42f240bb81

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
Signature9p/UTQ0PxxqpP4sfTc5MCmwnHGVhXNY3yf1GytWNQSo2kwv/83mLzinERUN3kOVURpfe8dzZbxJJMH7Y+fc7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:31.660460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894
observed dfbb918c4befe08db8e536b235a95870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.641583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/manifest.json
observed 4b27a8b13134bd8fe8abeb1891ecd2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.622819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/publication.md
observed df2640ca18d9f6349d4779562b32dd36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.604519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/publication.txt
observed f8e7e3a55012f2a5534723798a8a0d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.348487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894
observed dfbb918c4befe08db8e536b235a95870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.328211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/manifest.json
observed 4b27a8b13134bd8fe8abeb1891ecd2a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.310630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/publication.md
observed df2640ca18d9f6349d4779562b32dd36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.291906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099894/publication.txt
observed f8e7e3a55012f2a5534723798a8a0d0d...
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.