OpenTechnical

OT-2026-000082231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, sustained 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-2026-000082231) never changes.

Identity and time

Publication numberOT-2026-000082231 · never reused
Internal UUID01a0ae97-4d94-7382-982b-e76f52849019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082231
StatusPUBLIC

Content hashes

Canonical text50bcefe0e949e3ef07fdac707a4ecff034ea9f850e828714d7215f3a5740f560
Markdowned7fb1d1315802f7b3127ba9427d505bcb48a0fdb5ed1e88814e6e0fed5e63f9
PDF
Publication pageb85da3097aeec0ba22d8260e6dd4428c1742fb900ded456581585c9727423451
Manifestc68803d956f0bc3330fb7939184fc2dcfa6a8b444b603564b28f3d6cd34804e5

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
SignatureGEvYRQsiCi4O8XwmT3ieLdjYo9T3HmLuq1KRT4Csp2fpUE+SGqUpOXUL/Rn8FYbPCrG3oSCC9U1rDCHubxmjDw==
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

2026-09-17T09:59:04.457181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082231
observed b85da3097aeec0ba22d8260e6dd4428c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.438953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082231/manifest.json
observed c68803d956f0bc3330fb7939184fc2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.422429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082231/publication.md
observed ed7fb1d1315802f7b3127ba9427d505b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:04.404799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082231/publication.txt
observed 50bcefe0e949e3ef07fdac707a4ecff0...
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.