OpenTechnical

OT-2026-000084989

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000084989) never changes.

Identity and time

Publication numberOT-2026-000084989 · never reused
Internal UUID01a0ae99-43b7-739b-844d-9c1c6bf399bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084989
StatusPUBLIC

Content hashes

Canonical text985fdbf020319306642d7fd834e086f399467b62f566498f1f68ed5ebe4cbf4d
Markdownc82f2119f795668bf8662cc67c6dfdd6baf68fb8ec92d339449efca08c27d6d2
PDF
Publication pagea732f2a1155a51b94f886a512997c025a672b0f6bf6ffab65e878724210a20c8
Manifestc9a78505f87e5174918254c717981bbcd934719b50e4a524726a11b61c75320f

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
SignaturePjyFO86aV5ZBDoTzBwzmx60Ue4gKYR5JkEUYaPSg5+SYYVswWtJVzumlCXJcXhXHidS1tyvLNz4x3h5t8U35Aw==
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

2026-09-17T09:54:59.452174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084989
observed a732f2a1155a51b94f886a512997c025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.435260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084989/manifest.json
observed c9a78505f87e5174918254c717981bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.418141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084989/publication.md
observed c82f2119f795668bf8662cc67c6dfdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:59.400208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084989/publication.txt
observed 985fdbf020319306642d7fd834e086f3...
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.