OpenTechnical

OT-2026-000080811

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080811) never changes.

Identity and time

Publication numberOT-2026-000080811 · never reused
Internal UUID01a0ae96-b974-7e8a-9798-d3f0ee1eeab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080811
StatusPUBLIC

Content hashes

Canonical text76a3ebfdc04412e48bf0f4f9d2a3ede2193d714f18999a40599005d52d29f0d3
Markdownf766bf7343640e0777c2dcc99ef3d334de69e1812ad7071d65bb9d6ffb083be9
PDF
Publication page62c8f1f9c73d5b7660dd6865740181e4daa580eecaf50d26fa9bbc525052ada2
Manifestf6d740e59da2d1e6ad53655fa1982902550e885239609df3e8a177a27be4a866

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
SignatureJXwB/ai1cRDNfKZKCOGy03o/Qy7J8EVYLFdNke9CeB7Zbe6ZdpGimn230AwLM/1iVVUfSqzfroKjBM/K5p22Bg==
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

2026-09-17T10:01:59.533849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080811
observed 62c8f1f9c73d5b7660dd6865740181e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.514988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080811/manifest.json
observed f6d740e59da2d1e6ad53655fa1982902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.495035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080811/publication.md
observed f766bf7343640e0777c2dcc99ef3d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.476202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080811/publication.txt
observed 76a3ebfdc04412e48bf0f4f9d2a3ede2...
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.