OpenTechnical

OT-2026-000076267

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000076267) never changes.

Identity and time

Publication numberOT-2026-000076267 · never reused
Internal UUID01a0ae94-6a6f-7b76-a70a-6d0a0ad1416a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076267
StatusPUBLIC

Content hashes

Canonical text1f5ba08aca6a6531c04e403020547988e0de37be3934f716ec10c7a1dc8a89cd
Markdownefc686f23caf6825508a92cb352e4a932c0988c277b2bda8c8e5f050d27794f2
PDF
Publication pagec4387bb6344e3a8d704afe84e832b067c640638275f79edd650b9cbbd27dc0f0
Manifest96af112fa1d9487e266e0976267abc8340d7943111657049ed92dc0fc3e8b7c3

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
SignaturexcXalvlBqJDS/ASO4w2HUTP8xs7J6WKuUwSmDxliM03mvJY9wPN9wLJpBfXSek3Ahp6hYh/SmqCZD64BRejwDg==
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

2026-09-17T10:12:00.250850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076267
observed c4387bb6344e3a8d704afe84e832b067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.233520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076267/manifest.json
observed 96af112fa1d9487e266e0976267abc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.215250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076267/publication.md
observed efc686f23caf6825508a92cb352e4a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.196231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076267/publication.txt
observed 1f5ba08aca6a6531c04e403020547988...
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.