OpenTechnical

OT-2026-000081463

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000081463) never changes.

Identity and time

Publication numberOT-2026-000081463 · never reused
Internal UUID01a0ae96-f375-7d5f-826b-e39b17ed7c72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081463
StatusPUBLIC

Content hashes

Canonical text9d04b500dab8f44717e49b4ebd99a1438f4d05364f9de3552bdc48bcfcaaf337
Markdownd143c6f8cd04632ae9ee9fe651b375271567259d90ddfba7220af78a13e3cb3a
PDF
Publication pagebc0234b4a9caafb5215d54ddbf93ee83bb06a82f7ba92282b15eade234397357
Manifestb5e6e7fbe90155b8fc549ddca26427d057c131c972c4c95b1260c3becb1c43d9

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
SignatureOiWy6j0tC7XzmFhkCZ1yRHY09qLgJRqGdPAk4MPbqik1KomvETE+v5IIk7U+MhRNxFddqsbVYDPOdCaMkPq0Dg==
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

2026-09-17T10:01:37.613129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081463
observed bc0234b4a9caafb5215d54ddbf93ee83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.594332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081463/manifest.json
observed b5e6e7fbe90155b8fc549ddca26427d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.575702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081463/publication.md
observed d143c6f8cd04632ae9ee9fe651b37527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.557487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081463/publication.txt
observed 9d04b500dab8f44717e49b4ebd99a143...
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.