OpenTechnical

OT-2026-000069079

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000069079) never changes.

Identity and time

Publication numberOT-2026-000069079 · never reused
Internal UUID01a0ae90-6dce-76da-be95-10f32c9de742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069079
StatusPUBLIC

Content hashes

Canonical text1efc491b4cf5ef3018af9c065c7c96433c63668d3b651a9b995fc7bb1a341c99
Markdown59f8f77485261b80df04201d5c4ec2cb9398eea250938b651879f3df4ca3c40d
PDF
Publication page91fe5ac02eaa6e61849f3646b065074d7f93d2168dcdbbdb68773e7034690289
Manifesta52c09a56ff1133976864c3d18e51d1aff9530496babea3f6043e004d1ab12be

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
SignatureDJ/OIm7ZTWJRbWdFSTrqW8nDQubEX5Trk2m/jKBioAEcI/zvvV+hCpSjfisT4rT57oGCHZri5KC8XtlUxu4gBQ==
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

2026-09-17T10:28:56.783402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069079
observed 91fe5ac02eaa6e61849f3646b065074d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.765568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069079/manifest.json
observed a52c09a56ff1133976864c3d18e51d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.747775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069079/publication.md
observed 59f8f77485261b80df04201d5c4ec2cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.729558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069079/publication.txt
observed 1efc491b4cf5ef3018af9c065c7c9643...
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.