OpenTechnical

OT-2026-000050626

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented 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-2026-000050626) never changes.

Identity and time

Publication numberOT-2026-000050626 · never reused
Internal UUID01a0ae82-5c4a-7f9c-a2e5-c2b812a3a1ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050626
StatusPUBLIC

Content hashes

Canonical text56012e609603767befde627606b35a450fed0e13ae6cd97cec3d9199e2808ccd
Markdownb5fd82e63bfaac894919961be38561fb7d8aa3af6c03df7b621f222751ca82de
PDF
Publication page3437281f0236d346b81fed3a791eeadeb694e7aa5e04b023721fb277a3d96c71
Manifest744fde7ac029899762aae1c5d28de9f114aaa4850f1b2e7f364359c34431dd46

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
SignatureMxjMa5URVfiyV5HSk9abRX8jGpiAjn6SwgmUJAzQvkD6zHv4hvNGlh7e+xbncu6Kzb8NX9z06+y4oK3+XReBBw==
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

2026-09-17T11:01:44.441150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050626
observed 3437281f0236d346b81fed3a791eeade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.422321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050626/manifest.json
observed 744fde7ac029899762aae1c5d28de9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.404415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050626/publication.md
observed b5fd82e63bfaac894919961be38561fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:44.385398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050626/publication.txt
observed 56012e609603767befde627606b35a45...
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.