OpenTechnical

OT-2026-000075461

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000075461) never changes.

Identity and time

Publication numberOT-2026-000075461 · never reused
Internal UUID01a0ae93-f201-7ca9-9bf7-fa1b011355bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075461
StatusPUBLIC

Content hashes

Canonical text5dd5b729826772d90b67f322180366c32d196fa2df3a9bb04b22a125ebfe510d
Markdown6b038814c07acdd6b68284a2696a3494e976fac71272f75449349c5f4da8aff9
PDF
Publication page42efb0f423b13e0dd6381d7549af027ae0c410e4e614d715650f9ace170be5da
Manifest829f5fd5419ba330957c1a7d69db1105484600711ae3a662afaa731731f0e586

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
SignatureN/oB8CCbMV7WZRvrJM8AWtwuA16VUqFaUIIk1iJ3Tz5REdog51gWunHoJxP74lyR7uC5rRDbAlOC+de5uwf8DQ==
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

2026-09-17T10:17:44.455268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075461
observed 42efb0f423b13e0dd6381d7549af027a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.312553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075461/manifest.json
observed 829f5fd5419ba330957c1a7d69db1105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.293803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075461/publication.md
observed 6b038814c07acdd6b68284a2696a3494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.273930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075461/publication.txt
observed 5dd5b729826772d90b67f322180366c3...
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.