OpenTechnical

OT-2026-000093301

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000093301) never changes.

Identity and time

Publication numberOT-2026-000093301 · never reused
Internal UUID01a0ae9e-0911-7382-a726-785dda0511c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093301
StatusPUBLIC

Content hashes

Canonical text64235b365d8e122495a18c1d0b6f84e2676e5b45d553e632cfa5281c807a5c2e
Markdownf2bef7d34657968b8a70ad60fdc5eb957e74f63418e5d27f72d694dc64e2d0e4
PDF
Publication page58d6445f9df524ba97bf446e2d28ac2e51e6a9ba9d96f3b007b70741e168fb19
Manifestc8aac99701632f6c5e0fee04a96d32ec519945877b337bc01b10753adb979301

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
SignatureESzpPEBAMPP6I6v8yg954YYA0YG/cmrP22eH6yYzZ0A2NWstdfM5AQh4GITffsJ8LuP2iZ3pSm2PvGfUQgEcBQ==
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

2026-09-17T09:40:40.708377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093301
observed 58d6445f9df524ba97bf446e2d28ac2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.690527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093301/manifest.json
observed c8aac99701632f6c5e0fee04a96d32ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.672435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093301/publication.md
observed f2bef7d34657968b8a70ad60fdc5eb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:40.655059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093301/publication.txt
observed 64235b365d8e122495a18c1d0b6f84e2...
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.