OpenTechnical

OT-2026-000085449

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000085449) never changes.

Identity and time

Publication numberOT-2026-000085449 · never reused
Internal UUID01a0ae99-aaab-7d27-8115-a469c3544104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085449
StatusPUBLIC

Content hashes

Canonical text2a71ea7f756d8b70d942821ad37a8f479943b940a747f498effdda3105dd9de9
Markdown21aad9685cc04a04cbb496061dcbbc1b55d77b707497e9470a1579246c0dcbeb
PDF
Publication pagef53cdaf7f4641a2baf794ad7b5587676b83b916ed0d6f10e11386806d040669c
Manifeste41cbca6f2d63016d0cd58aa1801f3d71fcef9976d709f14e3027ab745279850

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
SignaturepRQwEy0EYP+6y0qIAfDcmOr8hVdm1KtSr4JDtTKMw2BBOwgnn1ij96KqFpiFPsIPLHPLKRnA/a12JvTchHcjDg==
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

2026-09-17T09:54:14.208990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085449
observed f53cdaf7f4641a2baf794ad7b5587676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.188846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085449/manifest.json
observed e41cbca6f2d63016d0cd58aa1801f3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.172580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085449/publication.md
observed 21aad9685cc04a04cbb496061dcbbc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:14.153676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085449/publication.txt
observed 2a71ea7f756d8b70d942821ad37a8f47...
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.