OpenTechnical

OT-2026-000072800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000072800) never changes.

Identity and time

Publication numberOT-2026-000072800 · never reused
Internal UUID01a0ae92-89da-73d1-bb61-5cf32a99b930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072800
StatusPUBLIC

Content hashes

Canonical texte569cce74d9c73d8a3866df8a9a6dca4c588c174391f0423a3d6209e42e581c6
Markdown879c5158f01be4e539241a76592228d837dba9bd952075dca0e11d5b53ce78fb
PDF
Publication pagedfc5de1c3595a8f47ed65dced0e344e3b36fabbd846e7e5669c88287e9996fba
Manifest989cf5775d8cc7d835372284a30608adf7a9a8214de95e218dabdf1ac20a2b94

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
Signature84+dx+7lr75bkkvmtN1Y7yXKd9//Ndp5UdVpQ3gv1qjYm0NdcJzK77CWKEysqnzVl88kAjzsCLGMCJO73iR9CQ==
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

2026-09-17T10:22:42.848840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072800
observed dfc5de1c3595a8f47ed65dced0e344e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.831910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072800/manifest.json
observed 989cf5775d8cc7d835372284a30608ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.813958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072800/publication.md
observed 879c5158f01be4e539241a76592228d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.796049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072800/publication.txt
observed e569cce74d9c73d8a3866df8a9a6dca4...
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.