OpenTechnical

OT-2026-000008478

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line 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-2026-000008478) never changes.

Identity and time

Publication numberOT-2026-000008478 · never reused
Internal UUID01a0ae6a-e46a-782b-ad02-551abd39d466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008478
StatusPUBLIC

Content hashes

Canonical text48d811f97a7315b389aa496a498e93a42d29810b422f8e82689fa3dd3b8c091e
Markdown41915aa4184c7aafcfb3a26cac6d8867e099c27785e68a26cff4fcc2b48144f8
PDF
Publication pageb927ca716a65c9e667fe557b436201f67d0fe30117a321ce9d708cb81162faa7
Manifest3d2204130c6fcf396f39da76d354d11c29a28d06d20925ec350b755c895ebd38

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
Signature2+nfM+ZIkD78ACSya2BTi+pU1ar9qz0JFfn8fT8wm9R1pR3zEmR0wnMnIokFBlq6wGWh6gpxKrYdlUFjFbHRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:22.369823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008478
observed b927ca716a65c9e667fe557b436201f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.350014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008478/manifest.json
observed 3d2204130c6fcf396f39da76d354d11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.329759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008478/publication.md
observed 41915aa4184c7aafcfb3a26cac6d8867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.309884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008478/publication.txt
observed 48d811f97a7315b389aa496a498e93a4...
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.