OpenTechnical

OT-2026-000078078

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000078078) never changes.

Identity and time

Publication numberOT-2026-000078078 · never reused
Internal UUID01a0ae95-6e8c-70cd-8cbd-73796458d553 · 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-2026-000078078
StatusPUBLIC

Content hashes

Canonical textde21699ea99593dca2341c8247e70c87c052d2edfbbf0096256a77f28393f03a
Markdown37fc513d9c65b8f73b380347ea1f1e465b2f7df00c13367cc54dead34404ac17
PDF
Publication page1c440edc11d8b0a61119f8f81b4d144fce2f9fb1fec2ab95bf73d83f03101293
Manifest8ad4a4eb1a2a53b766b42994bbfa792978dd508813344915b73128554fbdb3c6

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
Signaturelk274BZL6wxDBdnjovuY424OdrmUt5qyz2vediAHv/suu+5QZzD0rJeGeBqmWZ4biWaRSTBcxxnbjy14fAuLDA==
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

2026-09-17T10:06:43.193933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078078
observed 1c440edc11d8b0a61119f8f81b4d144f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.176015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078078/manifest.json
observed 8ad4a4eb1a2a53b766b42994bbfa7929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.157703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078078/publication.md
observed 37fc513d9c65b8f73b380347ea1f1e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.139323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078078/publication.txt
observed de21699ea99593dca2341c8247e70c87...
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.