OpenTechnical

OT-2026-000078157

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000078157) never changes.

Identity and time

Publication numberOT-2026-000078157 · never reused
Internal UUID01a0ae95-6e8c-799d-bc7d-91c9e1e68e26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078157
StatusPUBLIC

Content hashes

Canonical text34642bfbe1e8191b98273753a6dc3ff68aac6f65218d3558e56d1140554f835a
Markdownf2782f7a6e64f1eb63147405eabc665f49fb39e19c4fd780e9d3dbea6b9ef178
PDF
Publication page13804f4e923c9dd94a3e4f17c9cd98ac6ff021a07d7b320e90c1365ff6239f8d
Manifest8defc2f7b2390924893e450eefb0a9049210587dd232e913aaf8414858002e72

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
SignatureFTX7yDT3UbWx0D8COng0e4fw75OC5sk5qPXw8Uxa30pSCbzZkRMk3Ph6kZX4wuZQswB141lmbZt+e8wNuRxCCw==
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

2026-09-17T10:06:52.336823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078157
observed 13804f4e923c9dd94a3e4f17c9cd98ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.318476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078157/manifest.json
observed 8defc2f7b2390924893e450eefb0a904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.298637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078157/publication.md
observed f2782f7a6e64f1eb63147405eabc665f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.277865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078157/publication.txt
observed 34642bfbe1e8191b98273753a6dc3ff6...
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.