OpenTechnical

OT-2026-000075294

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000075294) never changes.

Identity and time

Publication numberOT-2026-000075294 · never reused
Internal UUID01a0ae93-f200-7330-a4e6-79acfd1a9e06 · 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-2026-000075294
StatusPUBLIC

Content hashes

Canonical textd66dfbc51a637637f7b67a90d4e111acc481675a1ba473890dedc954778e7080
Markdown8f0b3a002293181b658f0556a9b05995985a5c18be36caeef0129d02c85dfa22
PDF
Publication page0bba454d2d9d4e686f5d4e899986695c9cb5bb69b3c5cf6399b4521e3a576b0e
Manifeste2fa136adb2e4559367d264844b701d3d58cb291b71a1f0605dfe5bde4147a07

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
SignatureGWkwDoZgY3MZo54er+eYW4D3ko5/DV4VPZi7DIgxVgOdEk+AZetjoOixP0PLpJK+vWp7Qhkm2ixTW7oVE28dBw==
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

2026-09-17T10:20:42.300893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294
observed 0bba454d2d9d4e686f5d4e899986695c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.281729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/manifest.json
observed e2fa136adb2e4559367d264844b701d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.264081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/publication.md
observed 8f0b3a002293181b658f0556a9b05995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:42.245406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/publication.txt
observed d66dfbc51a637637f7b67a90d4e111ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:04.459478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294
observed 0bba454d2d9d4e686f5d4e899986695c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:04.057219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/manifest.json
observed e2fa136adb2e4559367d264844b701d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:04.039721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/publication.md
observed 8f0b3a002293181b658f0556a9b05995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:04.014486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075294/publication.txt
observed d66dfbc51a637637f7b67a90d4e111ac...
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.