OpenTechnical

OT-2026-000075135

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075135) never changes.

Identity and time

Publication numberOT-2026-000075135 · never reused
Internal UUID01a0ae93-f1ff-7a88-bbf8-3f25bcb90cdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075135
StatusPUBLIC

Content hashes

Canonical textdc5dbb09cc4b463e5a677875ddd2f498e534bb9c4ca2c6dc6bb1a07b54518055
Markdown3b06dc71d21f845ef882f15cfd4f2e01536b33879f20ff67c10b487bd36fb8fe
PDF
Publication page1ca3315b56b3db2efefd7e923523a038dcdc19b00ed4f1a1d4cf0632f5c0035d
Manifest17b9120a5e1c032673055a248e2bafd306dd57e321e942aadcced0676356de16

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
Signaturet39Ue6SCDpxBo9L99kQEgSykvPnp/WvwSVjKp+zbApddNmb92uh0VN7JoBvP9G+zL38sBKwJaoiPAXhbOAj4BA==
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

2026-09-17T10:20:21.793242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135
observed 1ca3315b56b3db2efefd7e923523a038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.773016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/manifest.json
observed 17b9120a5e1c032673055a248e2bafd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.709239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/publication.md
observed 3b06dc71d21f845ef882f15cfd4f2e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.649510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/publication.txt
observed dc5dbb09cc4b463e5a677875ddd2f498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:25.001558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135
observed 1ca3315b56b3db2efefd7e923523a038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:24.982750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/manifest.json
observed 17b9120a5e1c032673055a248e2bafd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:24.962082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/publication.md
observed 3b06dc71d21f845ef882f15cfd4f2e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:24.695624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075135/publication.txt
observed dc5dbb09cc4b463e5a677875ddd2f498...
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.