OpenTechnical

OT-2026-000083939

Publication integrity record

Foam pad 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-2026-000083939) never changes.

Identity and time

Publication numberOT-2026-000083939 · never reused
Internal UUID01a0ae98-0418-7901-b316-8ca3acb7e03a · 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-2026-000083939
StatusPUBLIC

Content hashes

Canonical text9bfcb335d0da45279798827f69ed5f55b01e6b551f2d8487cdc9ef4b2cd1afe9
Markdown6f2b26b50086a6e316d668add12e50f50bff8f49e97a60c4b06625cc7707da69
PDF
Publication page79a3c05374380aa5f14c7a4128791afcfbe06860af33b02f5b059123e54536d3
Manifestc6477be4d4c3e43bc59c65a65ecb574a7c34162e46f0085a9183d3a65153171a

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
SignaturesxOeligxivDzgXYVAEw5DiSO9+cOAAfrRTpQmlNvJ0sXMT+58DXIYWfbbRLMXlcnEulswkLuw2M60Ze79qxtAA==
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

2026-09-17T10:00:26.335574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939
observed 79a3c05374380aa5f14c7a4128791afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.312241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/manifest.json
observed c6477be4d4c3e43bc59c65a65ecb574a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.289336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/publication.md
observed 6f2b26b50086a6e316d668add12e50f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:26.267518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/publication.txt
observed 9bfcb335d0da45279798827f69ed5f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.118852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939
observed 79a3c05374380aa5f14c7a4128791afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.100517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/manifest.json
observed c6477be4d4c3e43bc59c65a65ecb574a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.083082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/publication.md
observed 6f2b26b50086a6e316d668add12e50f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.065779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083939/publication.txt
observed 9bfcb335d0da45279798827f69ed5f55...
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.