OpenTechnical

OT-2026-000102642

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102642) never changes.

Identity and time

Publication numberOT-2026-000102642 · never reused
Internal UUID01a0aea4-858b-7ac9-b05f-019969a0b555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102642
StatusPUBLIC

Content hashes

Canonical text010be46a16cf2b383f13b53776e9a8f78aa5f70ace0b08fc2bca433c0ce7fe86
Markdown0ed92a56f2710adb0afae2dcd58d60c0e3d4a73703ed321dba2b1aa102c29e0f
PDF
Publication page225b252254744ae4752d0b55a1843bfe025e1c9ba3a193bf0520631824552a8e
Manifest7812352c3e5cc89fb05fad59cbaa426029eb259399d6d6a8d5bc4a25c00dde2d

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
Signature7Dv3DNhJKurggW6xk/sbgtPh4KeAQqC1Gn5KP6f0wiABZqZbVguVjsfGKJM9uB5EMOd/rkN6r+qfRV/ZDGbbBg==
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

2026-09-17T09:24:08.313926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102642
observed 225b252254744ae4752d0b55a1843bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.296818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102642/manifest.json
observed 7812352c3e5cc89fb05fad59cbaa4260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.276744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102642/publication.md
observed 0ed92a56f2710adb0afae2dcd58d60c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.258469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102642/publication.txt
observed 010be46a16cf2b383f13b53776e9a8f7...
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.