OpenTechnical

OT-2026-000070171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070171) never changes.

Identity and time

Publication numberOT-2026-000070171 · never reused
Internal UUID01a0ae91-1862-7c22-994a-8a0843241ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070171
StatusPUBLIC

Content hashes

Canonical text697ad4798d97298fbabc20fb7bba48c1b7fa395092684f9edcccb4d9e4da61b0
Markdowne768f777323205120cecbcbbf4e59bef85b08ffcf2008ce12fa2cc36e421d541
PDF
Publication page83d55cca0e9c0d3c2fb207c3367a533ae70b9c4a328f17eecac7e65464d8d8ef
Manifestb86477903a3e491b09957eeafc0f1b57f1b441420105af691a5fdcc3b4822382

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
SignatureD4L4zxu3QTQWRssqXkMbTe8fxd6cq76RDrIjmuNzebO9WScZfTpbPNTewRvLO6WEYI7sgfSdzD6LERoT/rznAA==
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

2026-09-17T10:27:13.336993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070171
observed 83d55cca0e9c0d3c2fb207c3367a533a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.320224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070171/manifest.json
observed b86477903a3e491b09957eeafc0f1b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.302085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070171/publication.md
observed e768f777323205120cecbcbbf4e59bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.284293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070171/publication.txt
observed 697ad4798d97298fbabc20fb7bba48c1...
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.