OpenTechnical

OT-2026-000083283

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000083283) never changes.

Identity and time

Publication numberOT-2026-000083283 · never reused
Internal UUID01a0ae97-c963-7487-87f1-496a715bc403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083283
StatusPUBLIC

Content hashes

Canonical text458e8056295df96df3383c910b88cba0ab54184227722a8c7f7717ff85a45b05
Markdownbb1508ba6850788c405b3350e2b303f00c0dd9ecb3ab34e08d5d2e9d1d9f225d
PDF
Publication pagec3e61be350679c240e65919c83c79d4d5ed42e7edd50869eb5fdd7ff6e14b8c3
Manifest22f2152d7606f9d4a6edee0d81b035d2608684fb3f97288dcf453611e2b408fc

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
SignaturekcxtMBUnzoZH4/tv8ZqZXEa1u9eVQYQR7dPZ52xfTrEpVb0q4lUm2FEN61+WEorVQ7UGwfEUnU0NvZaPUUhrCw==
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

2026-09-17T09:01:24.430646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083283
observed c3e61be350679c240e65919c83c79d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:24.414046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083283/manifest.json
observed 22f2152d7606f9d4a6edee0d81b035d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:24.396411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083283/publication.md
observed bb1508ba6850788c405b3350e2b303f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:24.379198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083283/publication.txt
observed 458e8056295df96df3383c910b88cba0...
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.