OpenTechnical

OT-2026-000026963

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000026963) never changes.

Identity and time

Publication numberOT-2026-000026963 · never reused
Internal UUID01a0ae72-3453-7cbd-bb22-3aed61c3bbd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026963
StatusPUBLIC

Content hashes

Canonical text881cc410d922f7939e1e78571ddb4124eb94918618ed746cbb3e0b0951b2076a
Markdownc250d83935651253e072c825b9c09030d294f49857bc8d70cea7a10b8c18ab5f
PDF
Publication pageced3269dde2d6633db359643b42f6e117197c15ddd48e0fc797e7dd0cd48883d
Manifestb1df024d74c1cfce210ad3de91c812f134de4673b0833cabebe05a1faf901ac2

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
Signaturehvx7Lr7hsU64OM0kp6BXyGyMR1zpWpOAs/sVn2m1hnsVyfZb+foxEIY5ZeTaU7uicQS6ZtwaAt9m2tVAC5hWBw==
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

2026-09-17T11:43:35.132656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026963
observed ced3269dde2d6633db359643b42f6e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.116146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026963/manifest.json
observed b1df024d74c1cfce210ad3de91c812f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.099277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026963/publication.md
observed c250d83935651253e072c825b9c09030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.083539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026963/publication.txt
observed 881cc410d922f7939e1e78571ddb4124...
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.