OpenTechnical

OT-2026-000085944

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000085944) never changes.

Identity and time

Publication numberOT-2026-000085944 · never reused
Internal UUID01a0ae99-e82a-7df2-8ef0-34d8f8b597b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085944
StatusPUBLIC

Content hashes

Canonical text7f91602e5231b9124db7387d1252d7876149c33c2c5dd51b0cda76ec0d822062
Markdown1ceeb1f9601d5b76c24177863a4b48001e173ae2179a56aeeb44a782b911f5e0
PDF
Publication pagea66d114d2b71cb0e91e41da6f743dcff6a94b571eb3d67b7daec4dd4b0dabd91
Manifest220d35b422a2163cf657064f0cae0fb8ee23c2f5324c013977e6b64fa288df9a

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
SignatureA4p0SBPfYGY3ojtvNuS230MyytkmIQfyjX6RqnzvhSapLY6bjoOzgo3s07NaYt1Wh+7zNkX+5Ndh/9f+tn4NBQ==
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

2026-09-17T09:52:54.129605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085944
observed a66d114d2b71cb0e91e41da6f743dcff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.112632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085944/manifest.json
observed 220d35b422a2163cf657064f0cae0fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.093629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085944/publication.md
observed 1ceeb1f9601d5b76c24177863a4b4800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.074533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085944/publication.txt
observed 7f91602e5231b9124db7387d1252d787...
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.