OpenTechnical

OT-2026-000070632

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000070632) never changes.

Identity and time

Publication numberOT-2026-000070632 · never reused
Internal UUID01a0ae91-8c2b-77ad-8791-f80ae68e568e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070632
StatusPUBLIC

Content hashes

Canonical text20cd9ef249b36adb4ba6bd218e1cb4b2bfe196ef8e8a1786ac71aca5f353b2d4
Markdownadcf743a516d653479d85140438da40c263de4e931b1e28d730bf3e41bf7fb2b
PDF
Publication pagef4d815c52e9df71c2f5fa16a0d27576b463faef5e72e00f37e250d57d37a46b4
Manifest220291159271498529ede80878139ed36449029a8bb523aed40c2cc2df3daec7

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
Signaturee//8PnJc3Ou7L7K+ti6eprMrbwDhmpUITCaelGui+bYZ2YUgyJ0jAsAkuo02HnWiQ09SV7EtxljafAEAEB9BAA==
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

2026-09-17T10:25:18.095218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070632
observed f4d815c52e9df71c2f5fa16a0d27576b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.975067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070632/manifest.json
observed 220291159271498529ede80878139ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.955266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070632/publication.md
observed adcf743a516d653479d85140438da40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.937518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070632/publication.txt
observed 20cd9ef249b36adb4ba6bd218e1cb4b2...
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.