OpenTechnical

OT-2026-000007294

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, pulsed blow off after set down

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-2026-000007294) never changes.

Identity and time

Publication numberOT-2026-000007294 · never reused
Internal UUID01a0a979-a196-7eb6-b9d3-3939c34a9269 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:35.865918Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007294
StatusPUBLIC

Content hashes

Canonical text6b55e0a68347e7bcfbb84f081447e3a9a76348032fb72316f5002f673049e325
Markdown2c592b34e2c7291ee453bd816b00879aa008f63f25ca64b793a338802ea890bf
PDF
Publication page03772f324b89a924121ce972c5bef198819b10150e1c3935168449db3b557f80
Manifest1b80692cd8b4839d139cdce141a2482789705f0e5829a5692b218ec52d7cfc7f

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
Signaturex7NGS4xm4XKYF4SvSFLls1v+LoZSrNra8RnJ4i9ML97d/1rHTi1P4NqwnwbgwIKVJ2JMHABTLTZ/gHDsqOztCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:06.919378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007294
observed 03772f324b89a924121ce972c5bef198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.906615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007294/manifest.json
observed 1b80692cd8b4839d139cdce141a24827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.895035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007294/publication.md
observed 2c592b34e2c7291ee453bd816b00879a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.882517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007294/publication.txt
observed 6b55e0a68347e7bcfbb84f081447e3a9...
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.