OpenTechnical

OT-2026-000030104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000030104) never changes.

Identity and time

Publication numberOT-2026-000030104 · never reused
Internal UUID01a0ae73-e4ff-7ea6-85b0-1e69d4e45917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030104
StatusPUBLIC

Content hashes

Canonical textf8275dacb19324446fd3934578daea6b99fc20a460158aff100945d05ca61092
Markdown1b05839c08ba99e2028f20aa3d2444f3006c10a31fe00a3073ddfacbd614e8e3
PDF
Publication pagec1d8445ccba58df6d2acc2da640af548c25171482d36e9a15cabee4c1d8a1672
Manifest6b10834653dde62bc875983a8cc97817d45121884fc25a65d1d70fb387474817

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
SignatureHuq5f70IoaGB+qreNoXzXPEZPeDTZ4bIvh8ljtKDfQ8r/XCS8OW18KRlMN19Avz2DdIGBInw/NYffK26a06dCQ==
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

2026-09-17T11:40:20.018614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104
observed c1d8445ccba58df6d2acc2da640af548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.996387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/manifest.json
observed 6b10834653dde62bc875983a8cc97817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.980438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/publication.md
observed 1b05839c08ba99e2028f20aa3d2444f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.956850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/publication.txt
observed f8275dacb19324446fd3934578daea6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.039011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104
observed c1d8445ccba58df6d2acc2da640af548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.022134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/manifest.json
observed 6b10834653dde62bc875983a8cc97817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.004613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/publication.md
observed 1b05839c08ba99e2028f20aa3d2444f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.986941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030104/publication.txt
observed f8275dacb19324446fd3934578daea6b...
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.