OpenTechnical

OT-2026-000077870

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077870) never changes.

Identity and time

Publication numberOT-2026-000077870 · never reused
Internal UUID01a0ae95-2ed0-7b23-a38b-eb466d78c916 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077870
StatusPUBLIC

Content hashes

Canonical textca6d1ad2dbc3f9a408f1b6cdba368c9a827c52430e48efd5c24b8d5b1cd8cc85
Markdown0db32c4725838fda4846162c29c5cf0103c2a1147d62a95c2272b2fb440a71fd
PDF
Publication pageae80755a7515e89cc9bd050c3bfc139015462fa4217cd9a579f5ca46879a0f3a
Manifestfb72f6a472ee7d02d9a73be323905d914b6bb9ab957fb6c917d2bb03e5a0c0a7

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
SignaturePw4nT/DeDGxUqtJ5foWm5sdDrJrWmYpaH7A2bTbDggGF4nGeRuCAqgg+9UaAbSWWnH8JvLzXL2alOPMRGtvjDw==
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

2026-09-17T10:07:36.787644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077870
observed ae80755a7515e89cc9bd050c3bfc1390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.768027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077870/manifest.json
observed fb72f6a472ee7d02d9a73be323905d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.748495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077870/publication.md
observed 0db32c4725838fda4846162c29c5cf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.730801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077870/publication.txt
observed ca6d1ad2dbc3f9a408f1b6cdba368c9a...
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.