OpenTechnical

OT-2026-000086873

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000086873) never changes.

Identity and time

Publication numberOT-2026-000086873 · never reused
Internal UUID01a0ae9a-80a4-72bf-ad4d-a92aae91ff6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086873
StatusPUBLIC

Content hashes

Canonical texte2946cd10c03457ca4ecf21dd87d60703cfe202787ad30ec6ec0c9e6b4420641
Markdowne53f2b5e6669f93ea7633d5761bed39f48e98421ffe9b39334c759ce1f21d426
PDF
Publication page7911aa3aa82472b7aa2b95f4cd98a2242770784328e3848ea03c453b8a2e1aeb
Manifeste319485966491acc7f9da16096f0e06d248a93199b5cd572e3175a97f707e871

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
SignatureefW1R54CdfGEkHd7tDbM4JSUuj7pb24qcMSZL+WNT9HgJyPJZNosUcD5fenCE1hR8PeB/ZRew1Fh8Dw5BFFYCA==
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

2026-09-17T09:51:43.082298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086873
observed 7911aa3aa82472b7aa2b95f4cd98a224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.065824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086873/manifest.json
observed e319485966491acc7f9da16096f0e06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.004324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086873/publication.md
observed e53f2b5e6669f93ea7633d5761bed39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.985629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086873/publication.txt
observed e2946cd10c03457ca4ecf21dd87d6070...
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.