OpenTechnical

OT-2026-000098193

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000098193) never changes.

Identity and time

Publication numberOT-2026-000098193 · never reused
Internal UUID01a0aea1-e964-796c-96eb-e4610cd20564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098193
StatusPUBLIC

Content hashes

Canonical textc985940dbf36e08a64c40b4006397f5b0a5ac468a1872a5919f47700565f37bc
Markdown8af6592065f5ba8c1e4affbd2d083902bc9c3971fddf879592118817c5a03fd4
PDF
Publication pageec98cb174fd0c575255ca1bc61d6aac3804b6b9de05fc1969c024752196e6f01
Manifest9da72cc879b02d9be702f0af577b92ab1e17f70ef8435ca6ee9b5a3565a79361

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
SignatureRf4U97ORVk3pdO+zuQDutt5ExvwMxDkN/gPaQvKZPM9/VEnINh8t99PHiDGA/38YxgZs0Bs/Oo56ljc2bvBlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:21.109265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098193
observed ec98cb174fd0c575255ca1bc61d6aac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.092094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098193/manifest.json
observed 9da72cc879b02d9be702f0af577b92ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.074117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098193/publication.md
observed 8af6592065f5ba8c1e4affbd2d083902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.058839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098193/publication.txt
observed c985940dbf36e08a64c40b4006397f5b...
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.