OpenTechnical

OT-2026-000071050

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000071050) never changes.

Identity and time

Publication numberOT-2026-000071050 · never reused
Internal UUID01a0ae91-8c2e-7f58-96a0-d77b62920063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071050
StatusPUBLIC

Content hashes

Canonical textb41edef64121e9fa764b31c32943ca64adf2e60f236898926191980627a4af37
Markdowna669ce2398d607d4125710583d6aa2ebd70789e6460ef29f66831b20ffb0166f
PDF
Publication page541c1080e039119af27a23b4c2be7e7e745ee96fbae4c1bd16c9e891a171ca72
Manifest2a3cb9e297edb1933b4cb36c7148ccee4a89c5237ab12d741e3c7152f8d8f66b

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
SignatureSfqzUbnELAV1NGy/oNVYfIO6gPybykpCp0reb7ew8ZRKRrP5qTWTlocodFGf2jpTYdVJse22zvb01dL1MxnTDQ==
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

2026-09-17T10:25:54.414459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071050
observed 541c1080e039119af27a23b4c2be7e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.397099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071050/manifest.json
observed 2a3cb9e297edb1933b4cb36c7148ccee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.382546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071050/publication.md
observed a669ce2398d607d4125710583d6aa2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:54.366996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071050/publication.txt
observed b41edef64121e9fa764b31c32943ca64...
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.