OpenTechnical

OT-2026-000100646

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100646) never changes.

Identity and time

Publication numberOT-2026-000100646 · never reused
Internal UUID01a0aea3-66f3-7cbe-8445-629ef97ade4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100646
StatusPUBLIC

Content hashes

Canonical text6f6e47deba14db7a593ef6bf3afe8d4c5aff6bf015d61de68d40bc80bfbb788a
Markdownb7fbaa3c79e39da9b9fd1e932905d04a7177d870a34f0bdf86806ab558143d83
PDF
Publication page2b3cca5668eba94bd1706b8ad5214a1fb23f9986c4c423ae89560ea64813b42a
Manifest53b3ca37ddb147d7ba557dabbe2299012b71bddd00c2bea5fb7fb0a5f88df131

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
Signature4DEmzihuWs7fwoi0Mo0gt4+23Ml/wsEnZ/eCV9seSFvwz0sf0l0ZGh+uvLK6sur7ejjbGAfW1+tzYzQ3E5OlAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:27.062967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100646
observed 2b3cca5668eba94bd1706b8ad5214a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.045420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100646/manifest.json
observed 53b3ca37ddb147d7ba557dabbe229901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.027581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100646/publication.md
observed b7fbaa3c79e39da9b9fd1e932905d04a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:27.010733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100646/publication.txt
observed 6f6e47deba14db7a593ef6bf3afe8d4c...
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.