OpenTechnical

OT-2026-000087093

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, sustained 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-2026-000087093) never changes.

Identity and time

Publication numberOT-2026-000087093 · never reused
Internal UUID01a0ae9a-9f2d-7951-9f65-b56cadd36dbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087093
StatusPUBLIC

Content hashes

Canonical textb25664fce0723d60b27ff201409e50705faae58f1865e896d7107fb3c8b5b7f5
Markdowna8dba81b736d2692d4ee6aa4a0c828aec9ad7ac27e26ce24c3fa3450952109b3
PDF
Publication page56403a8f6ae92a6b44a04e5ee77f0a279c6cf846bb19a2c4bcb97e1e8db95b65
Manifest9415634ebb38516e7937b049aeae71d30ceac9752c94297ca6293ef2542317f6

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
SignatureV0uEdNX9R3rWOHSIePPj/GKGM37uje714MS/1my7pUNv+BkJ3kykfHJFuyDdIGFFvUBP0mm8UeVumFVSco0pDw==
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

2026-09-17T09:51:21.125361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087093
observed 56403a8f6ae92a6b44a04e5ee77f0a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.109710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087093/manifest.json
observed 9415634ebb38516e7937b049aeae71d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.093508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087093/publication.md
observed a8dba81b736d2692d4ee6aa4a0c828ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.078170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087093/publication.txt
observed b25664fce0723d60b27ff201409e5070...
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.