OpenTechnical

OT-2026-000078962

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000078962) never changes.

Identity and time

Publication numberOT-2026-000078962 · never reused
Internal UUID01a0ae95-ccbe-73d8-9d7d-346dd9cce369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078962
StatusPUBLIC

Content hashes

Canonical text216c869b96e7e52fd661744a1f863cf3d4222ca13e251963e99288c1f9383ded
Markdown7d394a737e8318d4507b9d10ba9e2eee57cfeaa7a00db8b23c7486da156e2599
PDF
Publication page879ac98e7c796e71c1363d5cf1ce6f7aff62431350a5ac17314339b01156671f
Manifestef6fd19853fb9e5dfa6688801a1000a6a82eb56ffce56a198d3da8383048d0fd

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
SignatureqVfg1ZygMDDDzU353JcdbXrdGPMT9bMmOTZTqiViQZ/a2jCWUCvyHuLTKQ0Z+a4oiBBfxiPFy9n50JmZUVX0CQ==
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

2026-09-17T10:05:47.340217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078962
observed 879ac98e7c796e71c1363d5cf1ce6f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.320906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078962/manifest.json
observed ef6fd19853fb9e5dfa6688801a1000a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.302276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078962/publication.md
observed 7d394a737e8318d4507b9d10ba9e2eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.284704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078962/publication.txt
observed 216c869b96e7e52fd661744a1f863cf3...
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.