OpenTechnical

OT-2026-000076685

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076685) never changes.

Identity and time

Publication numberOT-2026-000076685 · never reused
Internal UUID01a0ae94-b06f-7edd-a600-ca5974e7facd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076685
StatusPUBLIC

Content hashes

Canonical text4982de7910aedbd59b26da5eeb53e9fad4e85756d7e456ad2b77cc8ddf8c3bf3
Markdownacc3716809b2d045c926708f7346f1709d3eaa9454f06dd4c13334fa22219668
PDF
Publication page7d1507d02da835ac33b9a275156df34b677c395c388e8248ad67033cf89f5f5b
Manifeste686115681b475a45cb44a9055de1af2225e72206d074262955fde31e44c6bc4

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
SignatureiM4x/tecdAt/y6BKSfvCaBnoUTGGIPUxODs0tEhImZgg4Zb/bT9FgkXuYnn3xjMuHHahzGvir3yPdZ+xqIPpAA==
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

2026-09-17T10:09:26.453599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076685
observed 7d1507d02da835ac33b9a275156df34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.433551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076685/manifest.json
observed e686115681b475a45cb44a9055de1af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.411793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076685/publication.md
observed acc3716809b2d045c926708f7346f170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:26.392511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076685/publication.txt
observed 4982de7910aedbd59b26da5eeb53e9fa...
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.