OpenTechnical

OT-2026-000068003

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000068003) never changes.

Identity and time

Publication numberOT-2026-000068003 · never reused
Internal UUID01a0ae8f-c4fd-7fb1-bca8-3a2c23aac73c · 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-2026-000068003
StatusPUBLIC

Content hashes

Canonical textf42046d04dc541d0761f613cb23734782a709eca805f30b199ae16b293b20ea8
Markdown19ac2f1b39b9b0ec0efcf1819bbcc3aa9a65a598a8f6653f07f2059a6352f759
PDF
Publication page38b67a55169388c087d6f89fe66b151a2d4dce2f777e954d12347b748be6f875
Manifest3d382c5d79d00bcd70c0896e1a87be00810e89bb26e8cccd8968b1b47cba189c

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
Signature0325zkwVJgGpXHqoxoyUSOgSDOCZBB8WD7XkVeQi9faZuM1gMrCK4y7l20sr8S0FSlxes28dITwzc3+lSO+/Aw==
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

2026-09-17T10:30:33.448566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068003
observed 38b67a55169388c087d6f89fe66b151a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.431475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068003/manifest.json
observed 3d382c5d79d00bcd70c0896e1a87be00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.412391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068003/publication.md
observed 19ac2f1b39b9b0ec0efcf1819bbcc3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.395403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068003/publication.txt
observed f42046d04dc541d0761f613cb2373478...
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.