OpenTechnical

OT-2026-000030249

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030249) never changes.

Identity and time

Publication numberOT-2026-000030249 · never reused
Internal UUID01a0ae73-e500-70ed-b3b7-e2965b1fb2fa · 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-2026-000030249
StatusPUBLIC

Content hashes

Canonical text9524f422a87cfaed28d35ffd2e445c2d62631c5346c2d640cad150d656451a0d
Markdown0ceb84f5118ab988f6da91807f58443c3226daf5949c6908968e7e9e2ffb0c3d
PDF
Publication page48a60ba80b85f51e0dcbb8546d26c5dd2b95b06085682adcc1fd01f375ae618b
Manifest56e2afe68320135c27f835474392bddc6ba3916eb015725eda3f2375900d592d

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
Signature1wIZB3D2VNoPDjCDYETEJME/3OV235QzFSEUbMAAgr1lQmnlb///MzCuMD+yuO5qfvyw3wk50WZRXejxYO++Bw==
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

2026-09-17T11:40:38.055118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249
observed 48a60ba80b85f51e0dcbb8546d26c5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.038431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/manifest.json
observed 56e2afe68320135c27f835474392bddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.018729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/publication.md
observed 0ceb84f5118ab988f6da91807f58443c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.998348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/publication.txt
observed 9524f422a87cfaed28d35ffd2e445c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.469711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249
observed 48a60ba80b85f51e0dcbb8546d26c5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.451322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/manifest.json
observed 56e2afe68320135c27f835474392bddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.435850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/publication.md
observed 0ceb84f5118ab988f6da91807f58443c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.420612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030249/publication.txt
observed 9524f422a87cfaed28d35ffd2e445c2d...
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.