OpenTechnical

OT-2026-000086174

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000086174) never changes.

Identity and time

Publication numberOT-2026-000086174 · never reused
Internal UUID01a0ae99-e82c-75a2-9583-4fa47b491ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086174
StatusPUBLIC

Content hashes

Canonical text5baab98a43542b24b24a5bcf1b19df73ba940ef00eb86df5766e185bf0d70041
Markdowne69984f9de20f5b42ac8aa4d5451d356dda1899946cb9ef4a5e0063728e74e8a
PDF
Publication pagea6f3f01a50f302bc41339e11adefe36acfbeb17f49151737fd37689f6c76d56b
Manifestcdcb6b9a49dcbc50bb108e87ad9c97fea6873f1fe4196a97eef58b4c8ac36af4

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
SignatureLQtbC95Az08mJzGiMkZsVq5VttYAVYfhyNUwoAHl3aELlmCuRQJdqBohajJkX0Z/o7iBwRisvUa/68yHsYSCCA==
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

2026-09-17T09:53:50.921321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086174
observed a6f3f01a50f302bc41339e11adefe36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.904772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086174/manifest.json
observed cdcb6b9a49dcbc50bb108e87ad9c97fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.888398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086174/publication.md
observed e69984f9de20f5b42ac8aa4d5451d356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:50.869909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086174/publication.txt
observed 5baab98a43542b24b24a5bcf1b19df73...
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.