OpenTechnical

OT-2026-000041096

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000041096) never changes.

Identity and time

Publication numberOT-2026-000041096 · never reused
Internal UUID01a0ae79-b142-7cf2-bc45-f9cfd95150c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041096
StatusPUBLIC

Content hashes

Canonical text3c138f712f2af922cf62d2b1c118d84246c81322d36c7937135be79f07a9a48c
Markdownf29de54d82eb0cc887548ab1b99c92e116ca613e4297a8f0d21e4bbe35e47ed5
PDF
Publication page8b75616925490a87ef51d97cff3434382483dde7597c2534341f34cd9ab60942
Manifestbead8e1b83fd023db901582259d103cf42ac48e783aa3ec333c25c604f77f038

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
Signature1xymRDhVNSu0nv3Rc/wIsZQuEyccER48YdWC15GRl+HIgLD31cUNxwoZDdTvl+V3mM1KbacbEhVQvk2ofyf4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:00.907490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041096
observed 8b75616925490a87ef51d97cff343438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.891415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041096/manifest.json
observed bead8e1b83fd023db901582259d103cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.874628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041096/publication.md
observed f29de54d82eb0cc887548ab1b99c92e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.858949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041096/publication.txt
observed 3c138f712f2af922cf62d2b1c118d842...
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.