OpenTechnical

OT-2026-000087245

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000087245) never changes.

Identity and time

Publication numberOT-2026-000087245 · never reused
Internal UUID01a0ae9a-9f2e-7876-a833-9233d0910daf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087245
StatusPUBLIC

Content hashes

Canonical textf0108e4a6d0b9fd6425511f86a903a2ba3c3ed9a2ee28079bbc942de6cf92e36
Markdown969baf8bad3c2d9a73dc9dccd11617223e4c48c9f0dea6f84eb1e0e88d02a5c1
PDF
Publication pagea05678a59878b8724b30b9974c4532d122dd723634b83a6f09ee0a809c294a0f
Manifest8688cba789cde06ee490d229be5e3f697df3a3531654aceb69e57574f489ee8c

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
SignatureksNEQ4HYC9MtGSAiYg9Sf3FN9UDvcSTqIcuyjULL9uz5cozhD9MjEV4w+WI9KEsS+1N3NBioI8ZcrF3gtu3kAw==
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

2026-09-17T09:51:32.972557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087245
observed a05678a59878b8724b30b9974c4532d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.953301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087245/manifest.json
observed 8688cba789cde06ee490d229be5e3f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.935541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087245/publication.md
observed 969baf8bad3c2d9a73dc9dccd1161722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.918520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087245/publication.txt
observed f0108e4a6d0b9fd6425511f86a903a2b...
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.