OpenTechnical

OT-2026-000091585

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091585) never changes.

Identity and time

Publication numberOT-2026-000091585 · never reused
Internal UUID01a0ae9c-f16e-7976-9968-938ac7214450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091585
StatusPUBLIC

Content hashes

Canonical textd013902ead33a10dfd25b42954763b99a30685ef42c5f39d10a7708a96a55c1b
Markdown3646a9a3121d2cd7da79108a459e130460016f8532153c4929ab4f3000e2425f
PDF
Publication page7d0af4933069be97420e5be28ac9fa3e0cd5e84740839fd4a103b296220c1e48
Manifest2d54375b13b9a827d9ceeb0d8983ddef49c5a703029eeb819280054056d88437

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
SignatureMqO+6eAvdkuXfY+6ZMjQb0Q3Dd2vgXx96zItOif/mFD7sFztIl38aIdehDshU/rYsFM0qBiT6A2pvxijOHHVBw==
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

2026-09-17T09:43:51.522731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091585
observed 7d0af4933069be97420e5be28ac9fa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.506509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091585/manifest.json
observed 2d54375b13b9a827d9ceeb0d8983ddef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.490507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091585/publication.md
observed 3646a9a3121d2cd7da79108a459e1304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:51.475208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091585/publication.txt
observed d013902ead33a10dfd25b42954763b99...
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.