OpenTechnical

OT-2026-000079098

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079098) never changes.

Identity and time

Publication numberOT-2026-000079098 · never reused
Internal UUID01a0ae95-ccbf-712c-9475-3cf43491640a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079098
StatusPUBLIC

Content hashes

Canonical textf68c8c3e6935083ae08dc3ca39018e1187322779c9432c6435e0aed103499b74
Markdown9b749defa137644a653c2d1f52ffd2b2536af332ac72593650abaa615e19de1a
PDF
Publication pagedfd4ec00578c1c8dbe262c4dd2e1d6e8e5c4a99051f94b1da1de95725042d177
Manifestfbe0a0f171ae661bd88d1a2daf12405ae8194b73affc7e73cea0c166b30cfc20

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
SignatureYHEIlLbz1tYj3LBwGUEmsa8GNbyfH+KHZMr+lYYscB+RVTZil1ExMPSk5dkTCV1gJWvgOIYbjjvfGuo6mCzYDQ==
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

2026-09-17T10:05:56.633847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079098
observed dfd4ec00578c1c8dbe262c4dd2e1d6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.612337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079098/manifest.json
observed fbe0a0f171ae661bd88d1a2daf12405a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.594853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079098/publication.md
observed 9b749defa137644a653c2d1f52ffd2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.575371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079098/publication.txt
observed f68c8c3e6935083ae08dc3ca39018e11...
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.