OpenTechnical

OT-2026-000067870

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000067870) never changes.

Identity and time

Publication numberOT-2026-000067870 · never reused
Internal UUID01a0ae8f-c4fc-700b-b9c9-395ae27cc621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067870
StatusPUBLIC

Content hashes

Canonical text5e0241669359b1edd5c413011c0d235ba8adeb53108813fb464c2db706ba5cbe
Markdown20013c038c79279462fc36c651321e40060e694fd861172d7a4fb20d6012ea3d
PDF
Publication pagebdc0f52e7c94c63e3247ea2c59aedad41a9926ad8e585cd44bc07229e5e71468
Manifest7eef30f1e74dedbfd3f8597864e0a085835dbbc7ab751754f8f8c57d5431ae70

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
SignatureAYWwEG+qljazamk4tja+bqMl/zObeORy26/4ri/5+GOGeeEaMFURovjt/wzCnma2ISQBSa3j4w28Wf4Md9QsCw==
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

2026-09-17T10:30:15.398291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067870
observed bdc0f52e7c94c63e3247ea2c59aedad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.379502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067870/manifest.json
observed 7eef30f1e74dedbfd3f8597864e0a085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.360052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067870/publication.md
observed 20013c038c79279462fc36c651321e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.341791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067870/publication.txt
observed 5e0241669359b1edd5c413011c0d235b...
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.