OpenTechnical

OT-2026-000014583

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000014583) never changes.

Identity and time

Publication numberOT-2026-000014583 · never reused
Internal UUID01a0ae6d-b27c-7792-93c4-f523dadc981f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014583
StatusPUBLIC

Content hashes

Canonical text9094311c4e62e162a59af346086cf93f1044053e646ef93970746c90440e4bff
Markdownf25c1909cf3f52df31d3b19c1541c09ef6dad5f5a51e6ab5c881e88956fbad9a
PDF
Publication page62695a89842765b0d8f5af072a14a8896507cafbb82310aec7c4b4ab7f3d46d7
Manifest355e219079d69773a718d9845e79041c2f2284d97c805695922b103d7120547d

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
Signaturel8x1y6IgOB6ESgMadBVLShbdCHlB+B8FMw8FBvof+OgyQen42+WSPno+rbCyXJW0eOyiLX+fSyvPVVHpl6jrAw==
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

2026-09-17T12:10:28.291103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583
observed 62695a89842765b0d8f5af072a14a889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.272850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/manifest.json
observed 355e219079d69773a718d9845e79041c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.253437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/publication.md
observed f25c1909cf3f52df31d3b19c1541c09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.234550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/publication.txt
observed 9094311c4e62e162a59af346086cf93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:29.532673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583
observed 62695a89842765b0d8f5af072a14a889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:29.516407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/manifest.json
observed 355e219079d69773a718d9845e79041c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:29.499162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/publication.md
observed f25c1909cf3f52df31d3b19c1541c09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:29.480427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014583/publication.txt
observed 9094311c4e62e162a59af346086cf93f...
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.