OpenTechnical

OT-2026-000009093

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000009093) never changes.

Identity and time

Publication numberOT-2026-000009093 · never reused
Internal UUID01a0ae6b-31b8-7173-9afd-7dbc1d68ab8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009093
StatusPUBLIC

Content hashes

Canonical text4fa5b75268efc672c43f55ec0ee7bc498bd7b57af12f03bb159861f65dd1631d
Markdowne6f76af532556141bb58f27578a63d38cce4e11aba9c12d21cf1a005c3e91ce7
PDF
Publication pagecbf4c8e6c8fb97e76a99c7130bdbdd4a6cb82d05b998fc572905d5c6c69d9532
Manifest845801ce59e88ed8bc1c6f5fd5a8b4673be81c1b73527dfe96a75b642925d1dc

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
SignatureOVy1968cTBayL0FcfbDXoNA390Nt1YdVizSFs+dXN7Obc0neFJP8x5iQMFn086ZoWYe+ZjjKdhcdJ2SurHVlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:46.182345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009093
observed cbf4c8e6c8fb97e76a99c7130bdbdd4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.160808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009093/manifest.json
observed 845801ce59e88ed8bc1c6f5fd5a8b467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.140591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009093/publication.md
observed e6f76af532556141bb58f27578a63d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:46.120684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009093/publication.txt
observed 4fa5b75268efc672c43f55ec0ee7bc49...
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.