OpenTechnical

OT-2026-000091408

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000091408) never changes.

Identity and time

Publication numberOT-2026-000091408 · never reused
Internal UUID01a0ae9c-f16d-7bfa-8458-411dec195441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091408
StatusPUBLIC

Content hashes

Canonical text554d65d92153d17298fd01576bcb4c1ab6d933b2a9a43522b8cfe98847ec98d1
Markdownc2d0566230dad841e581b8fbcf9f91d0a4cd0f206c17c219d30f545439f466f3
PDF
Publication pageb600851a56437bfd049fcaac2a7994af1b7587b5ff9fcbda4b83ddc2486caf31
Manifestd6f66443c19220068088ebbe00f15c5b6bed694d09d4a0fd66da4ad20fa07422

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
Signature/bZion51GDJWhk3Fa3/yWl29VE3vLLy0/Wh/rBGOXe1kJAx0kiLdPdb1JZPiPnOgmwW+c0v1/EyAcBbsoY1mCw==
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

2026-09-17T09:43:38.458110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091408
observed b600851a56437bfd049fcaac2a7994af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.439499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091408/manifest.json
observed d6f66443c19220068088ebbe00f15c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.419986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091408/publication.md
observed c2d0566230dad841e581b8fbcf9f91d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.400575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091408/publication.txt
observed 554d65d92153d17298fd01576bcb4c1a...
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.