OpenTechnical

OT-2026-000075480

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000075480) never changes.

Identity and time

Publication numberOT-2026-000075480 · never reused
Internal UUID01a0ae93-f201-7d00-a3e2-078b70a130a1 · 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-2026-000075480
StatusPUBLIC

Content hashes

Canonical texteb47a85940828dc819bbefd496b1148c05fcc4c5017376c6f0c11128e63600bb
Markdown58fada23a1bb65b485c37593bff42a3434f3a4012394401c7bc6d61945711e34
PDF
Publication pageebb3f24da1bae88d56a34bba278b10e0858a00357a8194cf0d4f345aec5edbb7
Manifestfb2c97de8076c51ec5cebe3d9b46e33de123fdd7b3cf979bde5a5b48458220d6

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
Signature9Ne3vlb307ladeR7ueePNMX/UUQ1F2oCS5uNvCFwxpqpoFRJu+joPKuJooVw44NxgfCwil397RYMy2WWG0yxBw==
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

2026-09-17T10:17:47.984107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075480
observed ebb3f24da1bae88d56a34bba278b10e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.967206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075480/manifest.json
observed fb2c97de8076c51ec5cebe3d9b46e33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.946082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075480/publication.md
observed 58fada23a1bb65b485c37593bff42a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:47.801724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075480/publication.txt
observed eb47a85940828dc819bbefd496b1148c...
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.