OpenTechnical

OT-2026-000078181

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000078181) never changes.

Identity and time

Publication numberOT-2026-000078181 · never reused
Internal UUID01a0ae95-7c26-7d4a-b046-f94160bde220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078181
StatusPUBLIC

Content hashes

Canonical text07fd75499fece7d7a71e294f74c9b67699cfb933e0306c18e21288862a916425
Markdown1b9f27bfb97fe5532b27b55cf32cb1556857f00c9237cee1618f299ccdff2b9f
PDF
Publication page9e7efcedb3905e89a0d17851e025eba9b0910193ef25808851f6c26022b394a2
Manifest243072bd45b2125eefc87ada3b8c5d9df4bbde54fd89061f2810a4727d2e60ae

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
SignatureWSG18CUDiaD1ZHVV48eB0nrhl/L6j95j55xcUNG8CQMNMDpDIP6/CeiDG5jCB1LKzj97F25nhSKY0+JcceRLCw==
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

2026-09-17T10:06:07.506507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078181
observed 9e7efcedb3905e89a0d17851e025eba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.487159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078181/manifest.json
observed 243072bd45b2125eefc87ada3b8c5d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.469028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078181/publication.md
observed 1b9f27bfb97fe5532b27b55cf32cb155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.452864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078181/publication.txt
observed 07fd75499fece7d7a71e294f74c9b676...
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.