OpenTechnical

OT-2026-000080163

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080163) never changes.

Identity and time

Publication numberOT-2026-000080163 · never reused
Internal UUID01a0ae96-4378-7ba9-adc3-6ed8e0e12844 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080163
StatusPUBLIC

Content hashes

Canonical textd23ee4de4ec71cbfa078b88052b84f343cb1b04c12500aec4dd56dff8c2667bd
Markdown796caa414d95398dba6d560ee9aeddc41c34eb3c915a21590595e3f8c97cf06e
PDF
Publication page18e9e2d4bcb7b0ebeec2c6ad6bb9b3938a208b29d8c8a18b15e82f8565c3e9b4
Manifestd733692e56f29d4615162144da13fa18cebd05e17efcf87148768775ab42a778

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
SignatureJzKmLubhzr4LTI5t3baQyImDW/lLDtTh8UKJJx32h9C1PkwJfKeOR9MROv8pAnQlrSkgYAjlVG3mTSB/tYHyCw==
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

2026-09-17T10:04:07.378641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080163
observed 18e9e2d4bcb7b0ebeec2c6ad6bb9b393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.361576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080163/manifest.json
observed d733692e56f29d4615162144da13fa18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.344495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080163/publication.md
observed 796caa414d95398dba6d560ee9aeddc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.324287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080163/publication.txt
observed d23ee4de4ec71cbfa078b88052b84f34...
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.