OpenTechnical

OT-2026-000083840

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000083840) never changes.

Identity and time

Publication numberOT-2026-000083840 · never reused
Internal UUID01a0ae98-0418-7c78-bf66-942495a067b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083840
StatusPUBLIC

Content hashes

Canonical text26ab065f6b18b5db24801b7c4aa18e188db2692b6b4d36170a4fd6f085e06299
Markdown43f2d5a47cebea40e70d33fc328851ee9909e17a9f5ae81a2fc87ef529b16f3c
PDF
Publication page38bcc30470e53d8760fc4c3a015743c204893ba7c504d5ffebee3d0e5f1d03b8
Manifestc358a22c32d15b20eb6bfa3206953dd5b465aa06430351e273a8b45f97c92695

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
SignatureePRw/ymYfyiFpuujNzfamz/FO4+vUE234GOHX05B+Sr71l41eYLkNBSizrngGfwwctFWyZO7Kugq0cse4i8BBw==
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

2026-09-17T10:00:07.081582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840
observed 38bcc30470e53d8760fc4c3a015743c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.058250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/manifest.json
observed c358a22c32d15b20eb6bfa3206953dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.039119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/publication.md
observed 43f2d5a47cebea40e70d33fc328851ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.020172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/publication.txt
observed 26ab065f6b18b5db24801b7c4aa18e18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.867229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840
observed 38bcc30470e53d8760fc4c3a015743c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.850685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/manifest.json
observed c358a22c32d15b20eb6bfa3206953dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.833645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/publication.md
observed 43f2d5a47cebea40e70d33fc328851ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.816706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083840/publication.txt
observed 26ab065f6b18b5db24801b7c4aa18e18...
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.