OpenTechnical

OT-2026-000075272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000075272) never changes.

Identity and time

Publication numberOT-2026-000075272 · never reused
Internal UUID01a0ae93-f200-7d37-b0f1-e6aaf3357ad2 · 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-2026-000075272
StatusPUBLIC

Content hashes

Canonical textdb4a568fda04233bd9ef906dee97e538e42d0c0e26b200d8f4607c4a43a85ed3
Markdown3d08a47dee84867d12086be49639ccf232ef2df1ec435d1dec21318bdd224857
PDF
Publication pagedc5da259a77cfad138a91a6f0a2d7f226e7427ec1a9781e9bb894ab8b2bc5eb9
Manifest7d93377652bd9fae98e020ff194621e8eda7df61256da115a2578232109cff47

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
Signature4zO4gm3tYJYqvvrDZ7QaPP1iwI8nZ3Do0igeF8hhsYdIvqqoabW0/bgSjlr7M44DMX74xQnFRZTP2WuWExQPBQ==
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

2026-09-17T10:20:40.474395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272
observed dc5da259a77cfad138a91a6f0a2d7f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.453634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/manifest.json
observed 7d93377652bd9fae98e020ff194621e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.431971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/publication.md
observed 3d08a47dee84867d12086be49639ccf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.409590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/publication.txt
observed db4a568fda04233bd9ef906dee97e538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.526774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272
observed dc5da259a77cfad138a91a6f0a2d7f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.508310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/manifest.json
observed 7d93377652bd9fae98e020ff194621e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.487487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/publication.md
observed 3d08a47dee84867d12086be49639ccf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.468478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075272/publication.txt
observed db4a568fda04233bd9ef906dee97e538...
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.