OpenTechnical

OT-2026-000103594

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off after 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-2026-000103594) never changes.

Identity and time

Publication numberOT-2026-000103594 · never reused
Internal UUID01a0aea4-e461-7aa3-84b6-b23e6dde93d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103594
StatusPUBLIC

Content hashes

Canonical text26e163adac83b08d65b0a7175a3222026089a03e0424169504d84df9808c926a
Markdownf6db08593fe2cb412e055fba28b681f2fa1dbca03928ed9c1f26ec7e8edf2bea
PDF
Publication page3464e3ee806696b8f06846fd44a1139a5622f755e0d99ec1d47914da25c7e200
Manifest27b948050d1be1652a265431cc0c0355996cc9b846820173aa84064b437b6f85

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
Signature+TiIU8/LaGaMMKmExCZy9Wz9dAjOobvKBNzwX+vvDauYLKxIliFKsJQE71lhhsOrpH8Cyk8MMI47MsJYwO+nBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:22.951441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103594
observed 3464e3ee806696b8f06846fd44a1139a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.933852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103594/manifest.json
observed 27b948050d1be1652a265431cc0c0355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.914759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103594/publication.md
observed f6db08593fe2cb412e055fba28b681f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.896563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103594/publication.txt
observed 26e163adac83b08d65b0a7175a322202...
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.