OpenTechnical

OT-2026-000067997

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-2026-000067997) never changes.

Identity and time

Publication numberOT-2026-000067997 · never reused
Internal UUID01a0ae8f-c4fd-7e37-a51f-bcdace219208 · 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-2026-000067997
StatusPUBLIC

Content hashes

Canonical textc032830730c85b15336cd42bd469ffafeb08533fb67117a473607c1104cb2073
Markdown7aab1b21c53013a0e91a480a80d37e8f7e41a9ce7b388c8e135fcb3d35abab6e
PDF
Publication page62c1daaa3667eb6eb2db5d9faa2e6ac67593758ebb1af4638d8529e7003c81ea
Manifest05d38967284f88ea660ad230acf681236de7f2896fa99ed165837ce530f28518

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
SignaturewNj3YU5Yc91wSQmgCMfN3oHRCZFIuwk+rhgD/1O7jqOcgBVYOrNU9MgPsY9K6QIfkIj6EQ2LuK1esz/ucxmrCQ==
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

2026-09-17T10:30:32.993272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067997
observed 62c1daaa3667eb6eb2db5d9faa2e6ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.976009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067997/manifest.json
observed 05d38967284f88ea660ad230acf68123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.954551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067997/publication.md
observed 7aab1b21c53013a0e91a480a80d37e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.926622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067997/publication.txt
observed c032830730c85b15336cd42bd469ffaf...
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.