OpenTechnical

OT-2026-000078243

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078243) never changes.

Identity and time

Publication numberOT-2026-000078243 · never reused
Internal UUID01a0ae95-7c27-7cfe-a514-a8cd5a8dd566 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078243
StatusPUBLIC

Content hashes

Canonical text3038d27f3eb3a9deb5183d066b210fdbfc7e5bcf883f033611baf30f641eb503
Markdown5e579453092f42fe7e33d518c6346270b6ac75c84aa1945079af54cf25b15e97
PDF
Publication pagebe4acf03e9ffd989e4d3568440b3f60676b7601af077fb6ed0d1a66e7f9507f3
Manifest6e325973253ab72bb65f566e21f48e47f07657d0da5e9d1f9cd462da3490cb30

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
Signatureh8OBMZAyzeFwyZLhyiECqT1MWz0BCorKDfPjoSRaFPpGr6vADe5Wy04xf7ugHl3Xm33n0flQzRsd2Mp7Ua25Cg==
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

2026-09-17T10:06:11.589417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078243
observed be4acf03e9ffd989e4d3568440b3f606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.570715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078243/manifest.json
observed 6e325973253ab72bb65f566e21f48e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.552384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078243/publication.md
observed 5e579453092f42fe7e33d518c6346270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.530134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078243/publication.txt
observed 3038d27f3eb3a9deb5183d066b210fdb...
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.