OpenTechnical

OT-2026-000100082

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two 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-2026-000100082) never changes.

Identity and time

Publication numberOT-2026-000100082 · never reused
Internal UUID01a0aea3-1474-794f-ac61-5773db3de9b8 · 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-2026-000100082
StatusPUBLIC

Content hashes

Canonical textea7191cbd1f84e7017946306d67c355ddb6ac1261e03cb75e70b68a74cd1f70b
Markdown9884a60fe88ce023a0729c1f314b53a8199a7a963146d0dce7aee7d1e74b2844
PDF
Publication page20043834012828aaf17067fed86624ddd046b9490e239ad0c226a5b6f867b442
Manifestf36933bdc0adab0ad7ba7971dd62163f6f6ef672e7e9191418d8667ef5df71a0

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
SignatureXTGRFfxJJ4K607b6LRDfve6x6AByyJ1nZhi0/H9+Q0z9pd7Y3Zf3pJcmTMwgZBVTscgQyXofqS+jNzKzigLPCw==
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

2026-09-17T09:29:02.026844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100082
observed 20043834012828aaf17067fed86624dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.006045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100082/manifest.json
observed f36933bdc0adab0ad7ba7971dd62163f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.987319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100082/publication.md
observed 9884a60fe88ce023a0729c1f314b53a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.969033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100082/publication.txt
observed ea7191cbd1f84e7017946306d67c355d...
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.