OpenTechnical

OT-2026-000061785

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000061785) never changes.

Identity and time

Publication numberOT-2026-000061785 · never reused
Internal UUID01a0ae8b-b8ab-78aa-8e29-5f887c4fb707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061785
StatusPUBLIC

Content hashes

Canonical textb12b76751fea4bc8b8102e05bff1d893728dc4ade08f305fd390fe117499c950
Markdownfc61d32ffbb8bd17e73dd37f958c5236750da4ac475c3db955bf5ca2a2bd2a3c
PDF
Publication page086ed4a8aa091eb615c857ad44b33eeb2e684471a69efe11e9e28835249486e6
Manifest5087c78e90a17efa85f9c61ff5d06ff48c125d9fa6ba8f67243f8bf2dbdd4a77

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
SignatureENE95CLBg3qgFHQ1HOOrGCjR0+KWJus8RqQwGeiKt76jVQfYdX6L6ybPYTuqhPmyr1++nk6K/xcCFNgIvS/QAA==
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

2026-09-17T10:40:30.117746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061785
observed 086ed4a8aa091eb615c857ad44b33eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.098333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061785/manifest.json
observed 5087c78e90a17efa85f9c61ff5d06ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.075305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061785/publication.md
observed fc61d32ffbb8bd17e73dd37f958c5236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.054764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061785/publication.txt
observed b12b76751fea4bc8b8102e05bff1d893...
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.