OpenTechnical

OT-2026-000091610

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091610) never changes.

Identity and time

Publication numberOT-2026-000091610 · never reused
Internal UUID01a0ae9d-43b8-728d-9b77-8368c9251d0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091610
StatusPUBLIC

Content hashes

Canonical texte436c72f8ea863c0df8ecdf9c194d77af51ba77451f8f117f6aebfaa9c18ad49
Markdown6fb503837f9a416b4af32e101734ce4d2d75c33f9b86c79e422f87db031c4b63
PDF
Publication pagefe3738e5b1dc1baba732cae6c4c32580e96fbf20f915118da5f5fd453c6c147a
Manifestc44d1387ebad89c60cc74cf91d89b806ecebc70464dacef538d4417d432fc24e

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
Signaturemnh+mYgtx41fMCRhxUApZF+s/70t+joGR7JDJk69qu2g7OML7RKiVA34Pc0EEsGpYJfGD4aa7dZkf0bFhlIrCg==
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

2026-09-17T09:41:55.700424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091610
observed fe3738e5b1dc1baba732cae6c4c32580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.683296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091610/manifest.json
observed c44d1387ebad89c60cc74cf91d89b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.626372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091610/publication.md
observed 6fb503837f9a416b4af32e101734ce4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:55.517204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091610/publication.txt
observed e436c72f8ea863c0df8ecdf9c194d77a...
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.