OpenTechnical

OT-2026-000086103

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000086103) never changes.

Identity and time

Publication numberOT-2026-000086103 · never reused
Internal UUID01a0ae99-e82b-7fad-9522-d8e160107333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086103
StatusPUBLIC

Content hashes

Canonical text2e4a6a84b3e15fe800819f41807bdc4949b8f8c89b80050075ccedb45b3bebc4
Markdown83038e7a33fa4da6f3a8196c0c3aefc067bf356593075983bfd75cd3dc834a32
PDF
Publication page8d541e07a2f00f6fd1b8679cd10871998b2b93e2ac1633fd2030580182882bcb
Manifestd0b2a772da4be8e65f01cffbcf61078b6f0eddaeaf71328dc995673ecce986a8

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
Signatureq+txWR5DMe7nv2y3/Cixujr0mkw9v42/dWgyFnkgYyFIcubnqVA5RLYkFArAd6Ah9fJNwk54Z9XpRR/9MEsPBQ==
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

2026-09-17T09:53:45.325241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086103
observed 8d541e07a2f00f6fd1b8679cd1087199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.307477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086103/manifest.json
observed d0b2a772da4be8e65f01cffbcf61078b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.286450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086103/publication.md
observed 83038e7a33fa4da6f3a8196c0c3aefc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:45.268388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086103/publication.txt
observed 2e4a6a84b3e15fe800819f41807bdc49...
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.