OpenTechnical

OT-2026-000071043

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000071043) never changes.

Identity and time

Publication numberOT-2026-000071043 · never reused
Internal UUID01a0ae91-8c2e-7401-90dd-296350aeaa90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071043
StatusPUBLIC

Content hashes

Canonical textf5f179138eacfe856cde7fd07393d07cf65eb425126b4510988edacb062954bf
Markdown8bcfb461a5307186c83ef8763e31ee15c375303bd1e8597a1f64983f23294177
PDF
Publication page20fe07833976e939a86198ce086fbd40f4acd9b51bb038d9ed4b7c359a445d5a
Manifest16b74db531ee8042a80cd32f0bfa43a9a87ee49d6394bf28adf6fd6b907c4453

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
SignaturexRpbQUkSSw7Y3LscncFhSWsAu9eq6ZsaO7bqJtFJO5jq/m8K0JQeOTamRknomZiyo0X6LyQ661YOeG5mOtQ/Bg==
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

2026-09-17T10:25:53.922379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071043
observed 20fe07833976e939a86198ce086fbd40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.907028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071043/manifest.json
observed 16b74db531ee8042a80cd32f0bfa43a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.890344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071043/publication.md
observed 8bcfb461a5307186c83ef8763e31ee15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:53.874360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071043/publication.txt
observed f5f179138eacfe856cde7fd07393d07c...
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.