OpenTechnical

OT-2026-000081907

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, sustained 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-2026-000081907) never changes.

Identity and time

Publication numberOT-2026-000081907 · never reused
Internal UUID01a0ae97-0f76-7914-8a77-8c90b3be66e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081907
StatusPUBLIC

Content hashes

Canonical text35153dc8f039cc8797f180d19e0debe97fdf4a79d746386a2ebc2edf9ff160a9
Markdown0262b10f196dd018276d6a000eab68ecac85cdb79db4ce590c0f53f584e86453
PDF
Publication page31124e327976bbbd96671447fb947f3a394ff5da9db58b160c7cb99590527b2b
Manifestf3c3eb75ecd47da246ec02cb5430ede379b2173cfc53c40f4d3d2cb8aaf01263

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
SignatureJs9JfADAo7gjR9TKAXnBVLbjThXOkfxPReMih4cidUGCx4jlPuIlyw1NeQUrz+91IBclnoPrS+HXNijKVOn9Cw==
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

2026-09-17T10:01:02.002021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081907
observed 31124e327976bbbd96671447fb947f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.985451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081907/manifest.json
observed f3c3eb75ecd47da246ec02cb5430ede3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.967363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081907/publication.md
observed 0262b10f196dd018276d6a000eab68ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.947810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081907/publication.txt
observed 35153dc8f039cc8797f180d19e0debe9...
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.