OpenTechnical

OT-2026-000072182

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000072182) never changes.

Identity and time

Publication numberOT-2026-000072182 · never reused
Internal UUID01a0ae92-47c2-788f-88e2-8651b1e33bee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072182
StatusPUBLIC

Content hashes

Canonical text1de80c53a30b601dc2be2a163865309bdcacf1a412e92f500ed8f8d6c6ae0ec8
Markdown77a31fe4dd1382074efaedcbc7e21919e56923aab9e0c8568a3b614f4cd6dba7
PDF
Publication pagefa37180cffc18b321198be7dbb8fb194562b6d1bdd0e0bd5c0f2771f4a537ff2
Manifesta068414eb4d9fbaf7493408e3a1bee9768d24d73cfdcfa8306c78921a35b1f47

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
SignaturehnpKCfHraiyMdCt0w3LNVZZ1q4ziw5pHtpNvShp3XGpAFSABiWQbRPqW+zBu7Thhwgrn3dWbXdv3SSjXhx2MAA==
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

2026-09-17T10:23:16.843810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072182
observed fa37180cffc18b321198be7dbb8fb194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.826374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072182/manifest.json
observed a068414eb4d9fbaf7493408e3a1bee97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.808767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072182/publication.md
observed 77a31fe4dd1382074efaedcbc7e21919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.792477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072182/publication.txt
observed 1de80c53a30b601dc2be2a163865309b...
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.