OpenTechnical

OT-2026-000079797

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000079797) never changes.

Identity and time

Publication numberOT-2026-000079797 · never reused
Internal UUID01a0ae96-4376-7cb6-8706-103170b9f145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079797
StatusPUBLIC

Content hashes

Canonical text7d3c1ae23058f345bbc67e86ae0b63e69342b719278ca0e737fce678d683a242
Markdowna812a8d038b4a0bb1b921a5c72c26b72c9a61b4d1db3a45cadad7c941d1afbb6
PDF
Publication page4fdd7c5e9810842696edc2e1ae10f58e67d72317a196bb2e6a6e394a9a216d9e
Manifest11e0fae4d1a696284356e1020ae5451305e4534f3e84a72498e04958b548d2c0

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
SignaturebRoh7t7dz32OQLE4F/7Pz4cw8SyAQUb/OjilTfhy0nBn0NRCLk31zrrp7vgk6AVedUYpJTG9JjKiHE7Zs3M3Aw==
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

2026-09-17T10:03:40.535782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079797
observed 4fdd7c5e9810842696edc2e1ae10f58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.517300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079797/manifest.json
observed 11e0fae4d1a696284356e1020ae54513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.498610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079797/publication.md
observed a812a8d038b4a0bb1b921a5c72c26b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.479111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079797/publication.txt
observed 7d3c1ae23058f345bbc67e86ae0b63e6...
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.