OpenTechnical

OT-2026-000040841

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off 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-2026-000040841) never changes.

Identity and time

Publication numberOT-2026-000040841 · never reused
Internal UUID01a0ae79-6d10-7478-8b01-76db328f0f41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040841
StatusPUBLIC

Content hashes

Canonical text05be295c28dec93e6b354faf571e0be03aac12463d259a6eaa0460aa3ee8e049
Markdowneef33c75cbdb89c2c94f6814fa4e93dc32665453c5b6b3b7a929208a1ab2e610
PDF
Publication page484fc01e6629a1517444827ce48b8a983984caed63eb64b7d2880ee4ba3d3449
Manifest0d363ea88f47ff92b361f0db698b30c5d89d2dc066ef8a160dc28be6d427586d

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
Signaturehd/V79gbul+jC4UCAyMjsHxZnp7/AJ1+4xT4vxSo9VdFVvs9KVxXFfMTS580+e1WfkEr1ugKFr9ehTvqRl6EAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:11.407716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841
observed 484fc01e6629a1517444827ce48b8a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.391866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/manifest.json
observed 0d363ea88f47ff92b361f0db698b30c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.373896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/publication.md
observed eef33c75cbdb89c2c94f6814fa4e93dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.355413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/publication.txt
observed 05be295c28dec93e6b354faf571e0be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.389408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841
observed 484fc01e6629a1517444827ce48b8a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.371121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/manifest.json
observed 0d363ea88f47ff92b361f0db698b30c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.354014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/publication.md
observed eef33c75cbdb89c2c94f6814fa4e93dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.334269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040841/publication.txt
observed 05be295c28dec93e6b354faf571e0be0...
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.