OpenTechnical

OT-2026-000014507

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000014507) never changes.

Identity and time

Publication numberOT-2026-000014507 · never reused
Internal UUID01a0ae6d-b27b-7ee5-98f2-8d9016609ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014507
StatusPUBLIC

Content hashes

Canonical text27256abd17d474b9ba7fe528e154646a9ef0824c66a3b1189a5a6591a4b50844
Markdown86bc78b7a6b64b065d338859419703a2c6a338bb33442c07f4c57b722b679e0a
PDF
Publication page09aa4a18abd291f6a0510f087b1b22bfff272bad0113aa2b14d5f709a292ed5e
Manifestc82899a38bb0bebd415a23eac8f2c66c04cbcc65fe3eee61b3ebf9769cab9e5b

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
SignatureE6ML1iuanArJdaiZkzeAup8iz2WszS8ZlHO61K6LMxOVfVw/fYeby9KqIEMG2Gt5JrqD8T+XTrntfq0sVAk8CQ==
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

2026-09-17T12:10:20.268757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507
observed 09aa4a18abd291f6a0510f087b1b22bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.250194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/manifest.json
observed c82899a38bb0bebd415a23eac8f2c66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.228797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/publication.md
observed 86bc78b7a6b64b065d338859419703a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.209200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/publication.txt
observed 27256abd17d474b9ba7fe528e154646a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.820292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507
observed 09aa4a18abd291f6a0510f087b1b22bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.802850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/manifest.json
observed c82899a38bb0bebd415a23eac8f2c66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.786577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/publication.md
observed 86bc78b7a6b64b065d338859419703a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:23.769687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014507/publication.txt
observed 27256abd17d474b9ba7fe528e154646a...
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.