OpenTechnical

OT-2026-000083959

Publication integrity record

Three cup vacuum gripper, three 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-2026-000083959) never changes.

Identity and time

Publication numberOT-2026-000083959 · never reused
Internal UUID01a0ae98-0419-7f23-bb9c-06e86b2c7c7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083959
StatusPUBLIC

Content hashes

Canonical text3af50129e5d4b71f69cea08323154ce7252e098c6486ca6fa9bfa85e5213f053
Markdownb4b750af1070e2b728c2dade0d3b6eecc428541b384a5d33732db4ec8469c879
PDF
Publication page14daa98a602c220535a68678bbdbdcbf3af5f8b2d35871ee5c8be97b3fd8d6b4
Manifestaf77aa117f4045217b1b674b6bb78f89f072f602b6917ec98eeff2be1c5a3cbe

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
SignatureKFPt+pWHkkjyTlL1A47/RPFcJ4WyIQ8Uer1qTctCvxPF8ZsVzcRGqgF6+1lpDl30BkhL8Z95g3/S4doqhp6BAw==
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

2026-09-17T10:00:28.531218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959
observed 14daa98a602c220535a68678bbdbdcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.514746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/manifest.json
observed af77aa117f4045217b1b674b6bb78f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.497859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/publication.md
observed b4b750af1070e2b728c2dade0d3b6eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:28.477878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/publication.txt
observed 3af50129e5d4b71f69cea08323154ce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.621962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959
observed 14daa98a602c220535a68678bbdbdcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.603625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/manifest.json
observed af77aa117f4045217b1b674b6bb78f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.586416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/publication.md
observed b4b750af1070e2b728c2dade0d3b6eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:38.570289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083959/publication.txt
observed 3af50129e5d4b71f69cea08323154ce7...
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.