OpenTechnical

OT-2026-000095030

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000095030) never changes.

Identity and time

Publication numberOT-2026-000095030 · never reused
Internal UUID01a0ae9f-2df0-7757-a964-cab92af1c5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095030
StatusPUBLIC

Content hashes

Canonical textf4401ab93e46603c2464af4ecc701c2e0059ab6e17baa0fd381059effc2e239e
Markdown5be17575459a90418896cf031cd0fdff487be02e01332d98e1f72431711201ae
PDF
Publication page509d0e64dcfaec17f97d4f18f5257d1664a2c8fcfeb60b838ccc0a487fe34d34
Manifestcb82e1642f43734e1d0127f8fd70ef8a3a3543569c1a5cdef801004a208a2528

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
SignatureivAnT38glxz+7lcb/sXRRxR+G+hU86rVD7Pm0OOVY68hI92FmtDMRAQXqQwlMXPACKWcFbcj8BQfKst6MzVKAw==
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

2026-09-17T09:37:35.569701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095030
observed 509d0e64dcfaec17f97d4f18f5257d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.552177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095030/manifest.json
observed cb82e1642f43734e1d0127f8fd70ef8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.532519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095030/publication.md
observed 5be17575459a90418896cf031cd0fdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.515676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095030/publication.txt
observed f4401ab93e46603c2464af4ecc701c2e...
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.