OpenTechnical

OT-2026-000061304

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000061304) never changes.

Identity and time

Publication numberOT-2026-000061304 · never reused
Internal UUID01a0ae8b-1384-7159-ab01-449c8fe5e995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061304
StatusPUBLIC

Content hashes

Canonical text11f7cdfff6d6a7cbdf5daaf01a3e18ecbbd9e72318b96132910378e88a921c8e
Markdowna809e46a8cb4b955f79bf361ab658c7cc6369c77ba76ff4269268a3224827d58
PDF
Publication pagef38a1418ece0d14e9294d21c06f3f0de427600a6d74ffa6427fcd70c90805327
Manifestd6f7fb9a23f98ac24531abe45dc8c4232bf6175a29fd471758c4819a682927b7

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
Signaturerot/Kyt7WQjbJ+jG1O4w+ClxPaqCERJr0OziVRs4ElPZNVe39R3G7ng4vx/ZO3w6+SsqW9uujtOZPNA1cvQjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:44.078049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061304
observed f38a1418ece0d14e9294d21c06f3f0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.987063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061304/manifest.json
observed d6f7fb9a23f98ac24531abe45dc8c423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.965011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061304/publication.md
observed a809e46a8cb4b955f79bf361ab658c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.944380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061304/publication.txt
observed 11f7cdfff6d6a7cbdf5daaf01a3e18ec...
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.