OpenTechnical

OT-2026-000082749

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000082749) never changes.

Identity and time

Publication numberOT-2026-000082749 · never reused
Internal UUID01a0ae97-8cc9-7fb2-a105-9ff102e761b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082749
StatusPUBLIC

Content hashes

Canonical text30735f4e2ee78276e0d526f0a349bf1a7aafcb2a775e66fd0302c8ac80fb0245
Markdown5e0c6c4c3d88c79ed3db9270ace52e4a935dc197004ca40ec83924d5f38bf152
PDF
Publication pagee3bc45b64fcec27d4dcd27495dd8d5d7a59c0fa44950c4c1d1d41287db6699ae
Manifest9f770c4dd966a46a808505facbb23f04591e7c5fe05f772970e0b9d6df59fbed

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
SignatureCM+LEi18tv1ab+4bDARtG3HtCCPo4jM/Ds2MAdvPBMW0yJMFb8xUSOmcAlW4DfdQ6obT1prUz+BCh+xi1AI7DQ==
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

2026-09-17T09:58:19.913503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082749
observed e3bc45b64fcec27d4dcd27495dd8d5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.897104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082749/manifest.json
observed 9f770c4dd966a46a808505facbb23f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.869616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082749/publication.md
observed 5e0c6c4c3d88c79ed3db9270ace52e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.839999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082749/publication.txt
observed 30735f4e2ee78276e0d526f0a349bf1a...
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.