OpenTechnical

OT-2026-000069926

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000069926) never changes.

Identity and time

Publication numberOT-2026-000069926 · never reused
Internal UUID01a0ae91-1860-7a20-8f47-934d71f38a4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069926
StatusPUBLIC

Content hashes

Canonical text653e7dff7ca15b4fa8f75636f0edcbdd3735a8c0da55e95b5ecd19b5fbd0aa25
Markdown9739fab6ab174b982b09b5bf4736aafd1ff97ada8e62cf466deb18506e143fec
PDF
Publication pagebdb7ec2492f995e41d5af5f5f507e5f61c8c1e8718d85fc9fab600eae4016f6e
Manifestb8460636d1561134aa5266fea8a6f4f51fdeaa111f97d16f82bfe2d4f63a8b2a

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
Signature9HSCLdDeLHxJ7c7sYsLPFfQUSjlVXB/kwYCqMfQtIqo5jWdNdYBc04hY7XFnhKL9eA3N/PYAGCV8W9YDwOV+CA==
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

2026-09-17T10:26:51.876356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069926
observed bdb7ec2492f995e41d5af5f5f507e5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.857718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069926/manifest.json
observed b8460636d1561134aa5266fea8a6f4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.840163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069926/publication.md
observed 9739fab6ab174b982b09b5bf4736aafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.820934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069926/publication.txt
observed 653e7dff7ca15b4fa8f75636f0edcbdd...
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.