OpenTechnical

OT-2026-000070682

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000070682) never changes.

Identity and time

Publication numberOT-2026-000070682 · never reused
Internal UUID01a0ae91-8c2c-7bb2-a568-c01b78f2b0ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070682
StatusPUBLIC

Content hashes

Canonical textbc209e86ecb7e1ab18c93cdf09c9c20256319e6010c69987492fd3256ae0b25a
Markdown3282bfd2ce25a4a1c8a7d0e3e8a275e38a857bb39b3f98c308057ec87749cea7
PDF
Publication pagedc575f9ec6ef976d1b8241adc5194f25f2e2b7f918b1f5ae817bc2c0eb77d2b6
Manifestc3cc3bcc5ac008f38906ad023db424733ede39e7a8262cccd893ff7e1ee2cc51

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
SignatureZ5lzleZmLCzG3XRBeYmOXmaiZ+Ut/7Vgj+sgbXo/AKGBq2K4YD0f706tOZinT1Oen/5KOKQHarW8Imat6JXxBA==
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

2026-09-17T10:25:21.709372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070682
observed dc575f9ec6ef976d1b8241adc5194f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.691897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070682/manifest.json
observed c3cc3bcc5ac008f38906ad023db42473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.675477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070682/publication.md
observed 3282bfd2ce25a4a1c8a7d0e3e8a275e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.658132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070682/publication.txt
observed bc209e86ecb7e1ab18c93cdf09c9c202...
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.