OpenTechnical

OT-2026-000086798

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000086798) never changes.

Identity and time

Publication numberOT-2026-000086798 · never reused
Internal UUID01a0ae9a-80a4-7c81-8791-e603d5445e1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086798
StatusPUBLIC

Content hashes

Canonical text4733d7b398f6036b6a1335e1ebe6e563ca47674520a400a6a863259f8d5757f0
Markdown99eb4522c89126042ef398836084c730a536085cce70d56ac24bfcd4458a2708
PDF
Publication pageca8a827e9abd6d9a52f16e3bd3df71ddfb530ba111ad4b44f3e6ae610e67aef7
Manifestdcbac98bc05f25f9c2aae87af9111d414dac129d198a262c294407ada92b00b7

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
SignatureWaKwAQFbZPZ+HLy3Gx74LEkRNpVC6q/97k1W19Ri9Chbq+xfaVsknw0gTgvhwyRWxZ+3K6eQBBMY16g7pfxdCQ==
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

2026-09-17T09:51:36.674096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086798
observed ca8a827e9abd6d9a52f16e3bd3df71dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.643022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086798/manifest.json
observed dcbac98bc05f25f9c2aae87af9111d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.620367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086798/publication.md
observed 99eb4522c89126042ef398836084c730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:36.600295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086798/publication.txt
observed 4733d7b398f6036b6a1335e1ebe6e563...
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.