OpenTechnical

OT-2026-000071276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000071276) never changes.

Identity and time

Publication numberOT-2026-000071276 · never reused
Internal UUID01a0ae91-e0ec-76a4-8950-42508b09e009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071276
StatusPUBLIC

Content hashes

Canonical textd4dc6844b7cdc3f87d046b262d62820265cde9022e409e699fcee4e4837ca8b9
Markdown75807bb254cb46ff9c4771effdac95f6f4abb8d90d5414f0d1392f6640fda57b
PDF
Publication paged125f8d3a8c6224584a1274ee100290f84e615db9f1a4c9905bf5de001acba75
Manifest7764eb1f9b39ae376e043614c38f37c4a42bf48b79c3b9ff0ebb22091f9faa2f

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
SignatureOZ8hdACuPOvAKPKXskxqjnWmoAzQCJfOkA7xonlVlc+lK47I0mY1+qx/Jz1GsUZinqWzZAiG/Pysw4E1kdo5Bw==
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

2026-09-17T10:24:50.361099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071276
observed d125f8d3a8c6224584a1274ee100290f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.343298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071276/manifest.json
observed 7764eb1f9b39ae376e043614c38f37c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.325613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071276/publication.md
observed 75807bb254cb46ff9c4771effdac95f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.308895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071276/publication.txt
observed d4dc6844b7cdc3f87d046b262d628202...
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.