OpenTechnical

OT-2026-000016219

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000016219) never changes.

Identity and time

Publication numberOT-2026-000016219 · never reused
Internal UUID01a0ae6e-2d11-7409-ad96-d0dcd9428249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016219
StatusPUBLIC

Content hashes

Canonical textacee4468b07c263929389a802c8cd67c48d6f0a8a7dd9232e123f88447752cca
Markdown5c12227e4e728fc68f2e9e9cbd242ecce452e1004cf22cde5388a919e062145a
PDF
Publication page6d2453d4b3fd8538d3374f5d5581254dfc899a53c79a10d07da86f320ade0471
Manifest19d60f1ffb99c472181bef56f9f30ddee95bf184de6e83da6d76daa6ead94b71

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
SignaturebWycahmJzdFGd1/MHKfDFKkprqqWxZRSbwFHQPSJsrDts70QkXjaeN/a3RHlMIpRd5xvEJQMkzmjsF4z65wzCw==
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

2026-09-17T12:03:40.977714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016219
observed 6d2453d4b3fd8538d3374f5d5581254d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.960988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016219/manifest.json
observed 19d60f1ffb99c472181bef56f9f30dde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.943599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016219/publication.md
observed 5c12227e4e728fc68f2e9e9cbd242ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.925135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016219/publication.txt
observed acee4468b07c263929389a802c8cd67c...
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.