OpenTechnical

OT-2026-000075365

Publication integrity record

Four 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-2026-000075365) never changes.

Identity and time

Publication numberOT-2026-000075365 · never reused
Internal UUID01a0ae93-f201-77f2-b3a0-744c6e7909ac · 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-2026-000075365
StatusPUBLIC

Content hashes

Canonical textdefd0340d3a9a3af22621d8b90644d4db9d1ad5eee59b47391775bc863d13c6e
Markdownf4f787d5e951bf3f05eeb2452a256a6f19ecff759b49b40092b2442a4d63253d
PDF
Publication pageb453a7b90084ecf43d587f4307158242236b71f3ad03baac648e775132132e5c
Manifestc07953b7cb29e41fe69471d1cd05c4ab9d79d473cc490b3899392b3474de7baf

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
SignatureNUhvTLaKNvSMkin+pTBjpA0hBoiZ/uwcEjcE1/VER6+pJQ7HFn4n7kZdIM62SL/FlUwFb5HpxaVqhIa9Kh7nAQ==
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

2026-09-17T10:17:21.547922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075365
observed b453a7b90084ecf43d587f4307158242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.525952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075365/manifest.json
observed c07953b7cb29e41fe69471d1cd05c4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.507957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075365/publication.md
observed f4f787d5e951bf3f05eeb2452a256a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:21.486336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075365/publication.txt
observed defd0340d3a9a3af22621d8b90644d4d...
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.