OpenTechnical

OT-2026-000051153

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented 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-2026-000051153) never changes.

Identity and time

Publication numberOT-2026-000051153 · never reused
Internal UUID01a0ae83-273f-7158-bd68-df00adb73393 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051153
StatusPUBLIC

Content hashes

Canonical textb9dcc08ca11402fa2ba196d45ee5ceeff1f3efee9c749fb6b5cbcc1fe689b232
Markdowncca2a08e78a2a1e34a6d306e077e9a9e7d8188995814120425796221f5303b06
PDF
Publication pagee846fcb04b8a15180c13e8aed7da882ce61b5f230319e9e5bd784d7748600094
Manifest7aa6ac4d26dad9475dfe3151ee729fd40dcf971634c8fcd57ebeb1ff576910a9

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
SignaturezRyJB11FCp3zWaQ1CxSvSVXS3wz/GcqJpsClPm+C7Q6faeNke3tWpVW8P33PYfgPZJg6JX/q+XCU20CnChbYAw==
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

2026-09-17T10:58:54.919242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051153
observed e846fcb04b8a15180c13e8aed7da882c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.900504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051153/manifest.json
observed 7aa6ac4d26dad9475dfe3151ee729fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.881366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051153/publication.md
observed cca2a08e78a2a1e34a6d306e077e9a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:54.858628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051153/publication.txt
observed b9dcc08ca11402fa2ba196d45ee5ceef...
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.