OpenTechnical

OT-2026-000061105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000061105) never changes.

Identity and time

Publication numberOT-2026-000061105 · never reused
Internal UUID01a0ae8b-137e-7388-90ce-e18a1f44c931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061105
StatusPUBLIC

Content hashes

Canonical text2d82d889e69bb5966d3c62b3c364888259b193e6b3d65cb9db87f146815b3620
Markdown6d4d3eb5c160f0689d35c61ba401ea8cafe69be1e5a70b138245d6df88b627bc
PDF
Publication page7ecaed91774a4c6ed63914f19b50285f308bdd9f7699aacd037755acb718f9c9
Manifest41eb9650511781a22cd7a28f14a81d0e7f82754bbe9c9bb7490e7b38cc16df12

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
SignatureyszSeHrcLik/YLnm/a3O7lH+aJOXFEQsK9SE3ST3F0wXn3zLnAoCqVdzuzRrg6U/fRiMl3akMU1AaoKNLtY5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:28.540900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061105
observed 7ecaed91774a4c6ed63914f19b50285f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.522531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061105/manifest.json
observed 41eb9650511781a22cd7a28f14a81d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.505672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061105/publication.md
observed 6d4d3eb5c160f0689d35c61ba401ea8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.487971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061105/publication.txt
observed 2d82d889e69bb5966d3c62b3c3648882...
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.