OpenTechnical

OT-2026-000083307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained blow-off 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-2026-000083307) never changes.

Identity and time

Publication numberOT-2026-000083307 · never reused
Internal UUID01a0ae97-c963-7e7a-804d-c2410d821454 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083307
StatusPUBLIC

Content hashes

Canonical texte7576cad1768352b4d38037853f36279d2112a63a42de34b4c123d3a3202467e
Markdowndb3bfcf4a3ca4dd253b989b66999f690d5ea3d0adbddf0fac061379ec963d61d
PDF
Publication page2b794a75e916d48a4353443751053f99b3ec40419ff11a80ced8606832739b39
Manifest0b276d876967f6abd8f12f027e24d701dac2ff2276f0e16a50eaa01bb57c3bfb

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
Signaturecu3tr9fheT86ounBrMjzxOYlKrj7DWzAitA92A9F5voRWMaaml1AYC76qNG2cDpHDRBU0CDGLK14UDn2EtsyBQ==
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

2026-09-17T10:00:33.727022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307
observed 2b794a75e916d48a4353443751053f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.707931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/manifest.json
observed 0b276d876967f6abd8f12f027e24d701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.687963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/publication.md
observed db3bfcf4a3ca4dd253b989b66999f690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:33.669038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/publication.txt
observed e7576cad1768352b4d38037853f36279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.028924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307
observed 2b794a75e916d48a4353443751053f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.014279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/manifest.json
observed 0b276d876967f6abd8f12f027e24d701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.997501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/publication.md
observed db3bfcf4a3ca4dd253b989b66999f690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:41.982981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083307/publication.txt
observed e7576cad1768352b4d38037853f36279...
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.