OpenTechnical

OT-2026-000068057

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068057) never changes.

Identity and time

Publication numberOT-2026-000068057 · never reused
Internal UUID01a0ae8f-c4fe-7a0b-a58e-b7f9b8ded34f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068057
StatusPUBLIC

Content hashes

Canonical textcdce220e9baf5a03f73c076826e59d1ae8baf2dc45419ff5c192f2bdd6a99969
Markdown9c9f294505b91efe687ee49290b55e5f4977db0ff1e4e93ece62e1d846ab25cd
PDF
Publication pagec7fedf0dc8413579b91d3881ba1f2cbd31b9b97a2cbe61b61b9436e838bbf57f
Manifest896472afdc21b6453a3fb528167296d7f270aeee682871798f97fe36d58b0429

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
SignatureyLznouwxIANtB4SzuD0LSvnUX5Rqt8DIpZswi4y6J4ZirM1atWwILyGCf7v1q94Cy63z2GUk6Ov+BfiewaC/Dw==
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

2026-09-17T12:42:07.040964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057
observed c7fedf0dc8413579b91d3881ba1f2cbd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:06.723019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/manifest.json
observed 896472afdc21b6453a3fb528167296d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:06.540545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/publication.md
observed 9c9f294505b91efe687ee49290b55e5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:06.366707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/publication.txt
observed cdce220e9baf5a03f73c076826e59d1a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.635912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057
observed c7fedf0dc8413579b91d3881ba1f2cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.616892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/manifest.json
observed 896472afdc21b6453a3fb528167296d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.597295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/publication.md
observed 9c9f294505b91efe687ee49290b55e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.575224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068057/publication.txt
observed cdce220e9baf5a03f73c076826e59d1a...
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.