OpenTechnical

OT-2026-000086001

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000086001) never changes.

Identity and time

Publication numberOT-2026-000086001 · never reused
Internal UUID01a0ae99-e82a-7c70-851a-db728b92a415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086001
StatusPUBLIC

Content hashes

Canonical text52bf2f12123cf5b5004ed9acb73dfc4e2c6a7765da99ab21508df679eefff42a
Markdown31b8dd267a30d8e459804eac55667a63fe2a1ac34fda11ec2766d7bc9b7c4119
PDF
Publication page6597f7393e0b592c56aa9e4377fbc8b2bb14d8e85bb4ff30e07f860f0a3d572a
Manifest2752861d6c856d4553b8c20bc8bc656a938dd1193da547db0f725fdd84ca573a

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
SignaturekDMj5C3rAPOi6AETJAvdnZy7y9wnjPBXa2R3xzb0r5kThi+uj9jd11XPDEuuI+gnsXNs00IhHknoJToTfFwyCA==
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

2026-09-17T09:52:59.118413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086001
observed 6597f7393e0b592c56aa9e4377fbc8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.102228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086001/manifest.json
observed 2752861d6c856d4553b8c20bc8bc656a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.084679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086001/publication.md
observed 31b8dd267a30d8e459804eac55667a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.066895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086001/publication.txt
observed 52bf2f12123cf5b5004ed9acb73dfc4e...
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.