OpenTechnical

OT-2026-000067421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000067421) never changes.

Identity and time

Publication numberOT-2026-000067421 · never reused
Internal UUID01a0ae8f-6bd9-7eb6-bb41-0a9137f13d9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067421
StatusPUBLIC

Content hashes

Canonical text2a9b09912b47ac999cafde6bf78fc5f4360ef7870f08071845734c0bf49c13eb
Markdownf15b9f0296506ee64fe02a471a8dd9a8e2e601677c8ee782f5db31ef59f99d98
PDF
Publication page86b4e214d78efa4d72e8eb1997489d2eb6224006e7b755d5724db3bdf0a8399d
Manifestfda6187a91bf30292825284615a0d67423632db9846afd6d2cef2b83bb58fe07

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
Signature55gqEUgUbmZMg82J9mFLfioNZy88mbAu3MyDxFrmLr0bmvmnmeRLRyj9YZOBDGXSliQeAANhyQiRnKP4SDiyBw==
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

2026-09-17T10:31:37.180631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067421
observed 86b4e214d78efa4d72e8eb1997489d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.163168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067421/manifest.json
observed fda6187a91bf30292825284615a0d674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.146027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067421/publication.md
observed f15b9f0296506ee64fe02a471a8dd9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.128189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067421/publication.txt
observed 2a9b09912b47ac999cafde6bf78fc5f4...
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.