OpenTechnical

OT-2026-000081260

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081260) never changes.

Identity and time

Publication numberOT-2026-000081260 · never reused
Internal UUID01a0ae96-f374-7063-a07f-7c28c760f9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081260
StatusPUBLIC

Content hashes

Canonical textb4d903ca540e36d04ee75ad131912498850627cc8441f6e68b7bdeeef2d83542
Markdown6fa70fded10be6aa13759e6c3745488e5ed4f8ec3a438a9fe44957a0cc329100
PDF
Publication page51245425462ab1b7a558a86055e3b7c89ee07d6565ec10d1a377b2661a49c65f
Manifestce8be0d7816edee13941d0fa280956f26f5dff2a82815ec2e7a80bf971b5ca0a

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
SignatureUKJIljAeCyxbwy/IjIgXsFdlbdgOrC+EaMd4RifHZUnhfv1TijQ5609LPbtgKp/cirsWYHTo3EV5/j4U+35SAw==
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

2026-09-17T10:01:21.393892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081260
observed 51245425462ab1b7a558a86055e3b7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.372473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081260/manifest.json
observed ce8be0d7816edee13941d0fa280956f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.352781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081260/publication.md
observed 6fa70fded10be6aa13759e6c3745488e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.334769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081260/publication.txt
observed b4d903ca540e36d04ee75ad131912498...
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.