OpenTechnical

OT-2026-000068375

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068375) never changes.

Identity and time

Publication numberOT-2026-000068375 · never reused
Internal UUID01a0ae90-2480-7edc-a291-c0fe3c8f26f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068375
StatusPUBLIC

Content hashes

Canonical text543551f3678c863ea64bd8795da025607efbe66f0e9c5b5494b67390c638b4f8
Markdownae0c3f9e2bccce6f9450cc953bfa3d4387731d220998338c899b46113403e3fb
PDF
Publication page2ca42fbeb9c645c0e0228d10e6464865d320ce218ea463d14108c4227bbafc50
Manifest936378d6915ff077bc83d907954f9badc51ae2f486bfe2951a88b2d759814153

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/1pBUytU1mHXTaWmecqwt9JYPESjiPYZ77lG4WkgdrDhlreBCC5PAqI32cwiIOKl4/6XDFlnJ2qtUmtL4aRHCw==
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

2026-09-17T10:29:25.647475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068375
observed 2ca42fbeb9c645c0e0228d10e6464865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.627812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068375/manifest.json
observed 936378d6915ff077bc83d907954f9bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.609822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068375/publication.md
observed ae0c3f9e2bccce6f9450cc953bfa3d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.591183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068375/publication.txt
observed 543551f3678c863ea64bd8795da02560...
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.