OpenTechnical

OT-2026-000071193

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071193) never changes.

Identity and time

Publication numberOT-2026-000071193 · never reused
Internal UUID01a0ae91-e0eb-7ff8-b207-c1deaaaca0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071193
StatusPUBLIC

Content hashes

Canonical textd746f96ec4ba61d0712d48f09503f524b15223ca64cfcfd32f7a7b1fff9ae0fc
Markdown614903c4b1bdee0592ad8e702aafa8cd72698914be733233056b6f0014791da7
PDF
Publication page40bccc01b48d02fa0ddca69416e24dd3362f3b1fb722aad8c66b3a041d8540a0
Manifestb9e4431faff7c075600d1441a6987983bc781eb0a1e029e565b0611e20f34633

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/4LVhCPifG0bFeh+JVpbiXWajDY2ZWpV37BscjJkG5rbO0YUkK6oNbFmvDJY4MnF+/IABdxoPQdoqXZAdQAdAg==
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

2026-09-17T10:24:42.751656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071193
observed 40bccc01b48d02fa0ddca69416e24dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.734042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071193/manifest.json
observed b9e4431faff7c075600d1441a6987983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.716518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071193/publication.md
observed 614903c4b1bdee0592ad8e702aafa8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.699563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071193/publication.txt
observed d746f96ec4ba61d0712d48f09503f524...
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.