OpenTechnical

OT-2026-000032643

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000032643) never changes.

Identity and time

Publication numberOT-2026-000032643 · never reused
Internal UUID01a0ae75-1070-7eec-94f4-ca794034d33b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032643
StatusPUBLIC

Content hashes

Canonical textdb3bd265b3ea4e1b9353ccb3a66f8269c297e8065db13cdaa65aeb4e79b19d7e
Markdown7f4778efa7876ee240654fb91f9de1e17a7b469d385e1082691b08df4fc4c231
PDF
Publication page7c849d9d88486e48a4b070f95af9fe3955bafeb1317b7485f972bf20bd8e81fb
Manifest7e0db429f0651865d9c0f26bb48b0912b7e2738d6db1fc1cf5117398735ece4e

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
SignatureHVo2PzKldUmtaggs7lRhOx3jucKSfA10GLVR6slGGa1oQ69H101EX3uEQvvabQGj00b0jfGTiQQjCmVc4l4uBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:14.090353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032643
observed 7c849d9d88486e48a4b070f95af9fe39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.070953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032643/manifest.json
observed 7e0db429f0651865d9c0f26bb48b0912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.053695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032643/publication.md
observed 7f4778efa7876ee240654fb91f9de1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.037582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032643/publication.txt
observed db3bd265b3ea4e1b9353ccb3a66f8269...
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.