OpenTechnical

OT-2026-000023919

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000023919) never changes.

Identity and time

Publication numberOT-2026-000023919 · never reused
Internal UUID01a0ae70-aed6-70e5-88b2-ae3ee06e13a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023919
StatusPUBLIC

Content hashes

Canonical text3b1647df05674ec1009dc93d3f4fe64db6edc41415be6649bca576bab3ad974e
Markdownc4ed0eb7e8b28e6a193f20e3891d503490e43bd844f0cca67c94adffd58ed1bd
PDF
Publication page9ea4e8aee10b3f54e635f43c03166f36498dabf6366330721cf39f7d93196171
Manifest76019b1a3a8b39541f1313d2f103888e41e3c3826271c10fa5ffce2c57ade2de

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
Signaturedeiutp3fEZvb9wb9Cc0j4sf8pQKmruozoQjT0HrsOSqdXyYkYTyy2ux1h54fz7fu/RTbV0NzzMjwoIJbH/5YCA==
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

2026-09-17T11:50:32.463329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023919
observed 9ea4e8aee10b3f54e635f43c03166f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.445581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023919/manifest.json
observed 76019b1a3a8b39541f1313d2f103888e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.429090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023919/publication.md
observed c4ed0eb7e8b28e6a193f20e3891d5034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.413315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023919/publication.txt
observed 3b1647df05674ec1009dc93d3f4fe64d...
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.