OpenTechnical

OT-2026-000095440

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095440) never changes.

Identity and time

Publication numberOT-2026-000095440 · never reused
Internal UUID01a0ae9f-8f73-7f15-bc30-da896c042753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095440
StatusPUBLIC

Content hashes

Canonical text2bf53a421ea06be1d74b015050d5fb9c473e0ecbdb8eb4cdbdfa23f12b795b98
Markdown8edaadb584469530d805fbefa5816958366bb94eb8f9692f58eebc155078c6ff
PDF
Publication pageea5e5f43a6d8b56e32e67070f43c41684c2814482668c7fdc75fe6892aedf4a7
Manifest0d3606fc41a5f10927329406d49e69d5b64d534b08538deaa11229ca5857b154

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
SignatureqAOgJYcFQm67Q+EEONy50gRBC56+b2KpdHQVfwAdpprZF/pM7kSmYuGKVZz1+WXoNuOyw+0vGR+5d7RdL4VHAA==
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

2026-09-17T09:36:48.832200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095440
observed ea5e5f43a6d8b56e32e67070f43c4168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.813440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095440/manifest.json
observed 0d3606fc41a5f10927329406d49e69d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.797537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095440/publication.md
observed 8edaadb584469530d805fbefa5816958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.779537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095440/publication.txt
observed 2bf53a421ea06be1d74b015050d5fb9c...
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.