OpenTechnical

OT-2026-000064404

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000064404) never changes.

Identity and time

Publication numberOT-2026-000064404 · never reused
Internal UUID01a0ae8d-a461-7650-898d-eafe7ab5ad27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064404
StatusPUBLIC

Content hashes

Canonical text9a3f9f95d59a18fe87f75876eba19904a7dd0ff128c11e559796bc0462bed4bf
Markdown4fff86c00b05fe844c4b90d80713193ddd925231b43bd05cf5bee2eb3d5fd385
PDF
Publication page73dbc1c1172a6f915ec4bcfafd50c36ae64801a0bb1957bfb2c4795394b5c72c
Manifestc21d7da32d5312ac8211d321aad8d4e36cbdabdd380bf0675b8e8c1361f4c43a

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
SignatureaQ22T41aGM3t7RAkIoS5pZmJtXtvm86ODzhBhSzKimdN1yiyYJ5etG1d6fSNU9IwG4toqj6pdJrHmIgz9q6+AQ==
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

2026-09-17T10:36:34.852427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064404
observed 73dbc1c1172a6f915ec4bcfafd50c36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.837002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064404/manifest.json
observed c21d7da32d5312ac8211d321aad8d4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.820416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064404/publication.md
observed 4fff86c00b05fe844c4b90d80713193d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.804216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064404/publication.txt
observed 9a3f9f95d59a18fe87f75876eba19904...
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.