OpenTechnical

OT-2026-000091335

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091335) never changes.

Identity and time

Publication numberOT-2026-000091335 · never reused
Internal UUID01a0ae9c-f16c-73f0-8fd3-43122e54015a · 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-2026-000091335
StatusPUBLIC

Content hashes

Canonical textcf24ea39cd6696c700d86a71f2118ee1955cbdc61904f935f897180db8f0d0f6
Markdown83667e9e51e53274bc962581a8f119b32595b80a1282387b1d563f3d7f54fc66
PDF
Publication pagea556e20a12d01ffab0f336cfe07a444f648a27c7d36d67a538bd9262496ae45c
Manifest8bcaf5da00f22c926868521012d11103325db7dcf1a2171d73b903ef7304392c

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
SignatureP1g42uiL3cKekbjVXAYBFLa8AzXSTexWRgiLFK1q6PbipoyCH0W5eGIaBFi/mGZ5NO1b/tzlG6w7nQX+HvSLCA==
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

2026-09-17T09:43:32.592199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091335
observed a556e20a12d01ffab0f336cfe07a444f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.574157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091335/manifest.json
observed 8bcaf5da00f22c926868521012d11103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.557216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091335/publication.md
observed 83667e9e51e53274bc962581a8f119b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:32.539904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091335/publication.txt
observed cf24ea39cd6696c700d86a71f2118ee1...
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.