OpenTechnical

OT-2026-000075072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075072) never changes.

Identity and time

Publication numberOT-2026-000075072 · never reused
Internal UUID01a0ae93-ac2e-72a9-8ee8-6c3662954290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075072
StatusPUBLIC

Content hashes

Canonical textbd8cc2e9c91b7ef639f6cbf428c41430a39236600de8a3e49697a0583ce05005
Markdown25cfe648aa96c6bebdbd9150fdabfc1784cb561fc4ad02bd39b78bdc11c14abc
PDF
Publication pagecd77b9bd38ee0b83782bd6041677f855b485dcc2d122ab802b808276b385f32b
Manifestfdf2b2193d4f43eab9d3bc7c94313a01ac0db338ae00082a6b33ae65e509212f

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
SignatureMtmnxd6cbvCmkOI+CzKVgpm7alBEB0YakojDGbV2pXjyf2h6TCHT8LFYyzvz1vyaDCKeZTzINPz0HbKLT7glBQ==
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

2026-09-17T10:18:53.524483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075072
observed cd77b9bd38ee0b83782bd6041677f855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.506754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075072/manifest.json
observed fdf2b2193d4f43eab9d3bc7c94313a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.490981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075072/publication.md
observed 25cfe648aa96c6bebdbd9150fdabfc17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.473038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075072/publication.txt
observed bd8cc2e9c91b7ef639f6cbf428c41430...
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.