OpenTechnical

OT-2026-000030251

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030251) never changes.

Identity and time

Publication numberOT-2026-000030251 · never reused
Internal UUID01a0ae73-e500-7c63-b6be-e809f643e347 · 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-2026-000030251
StatusPUBLIC

Content hashes

Canonical text6b0e2c151800a3310b39a95bcd00ae5fdd9cc383cec98525a43316245a7eec17
Markdown44f32c2de3c74978baa5f8aea3f4b576ef62e097708fac5e4bbd257db3298661
PDF
Publication page7f8c053dfb30fba4a705bc536000514f67c7437784968c1162d5a959f949b781
Manifest0feccbf937f34c501a8bee204656983a71b99d4a4ddf75e0a97ded5061eae8f5

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
SignatureiPy9Uyy2QkxEfxBAK2M7l3h6fYqmRAqp4TbNwwkBnKNZkYw6g2OQ5LJa/dsTAirfQ9bbIOYXG8Il0YUJFieUCQ==
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

2026-09-17T11:40:44.624291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251
observed 7f8c053dfb30fba4a705bc536000514f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.517612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/manifest.json
observed 0feccbf937f34c501a8bee204656983a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:44.428078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/publication.md
observed 44f32c2de3c74978baa5f8aea3f4b576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.162287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/publication.txt
observed 6b0e2c151800a3310b39a95bcd00ae5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.620172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251
observed 7f8c053dfb30fba4a705bc536000514f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.605243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/manifest.json
observed 0feccbf937f34c501a8bee204656983a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.588894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/publication.md
observed 44f32c2de3c74978baa5f8aea3f4b576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:54.572459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030251/publication.txt
observed 6b0e2c151800a3310b39a95bcd00ae5f...
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.