OpenTechnical

OT-2026-000081621

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, sustained 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-2026-000081621) never changes.

Identity and time

Publication numberOT-2026-000081621 · never reused
Internal UUID01a0ae97-0f72-7afe-b8e8-9c8cc613a4c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081621
StatusPUBLIC

Content hashes

Canonical textb090e42a42afd69cddc8edf50a0bd047c5f8fb1b89aaf6c5efb1f10c6d8f3477
Markdown2b02212c44ec47750c83237ff4850aca73e2924e7d82f250f30cfbcd7e9028ad
PDF
Publication page13e0f2d610d1da8c3b4b4d10af27e091b5eaaf72b66e15f1d1a78e37bb332aeb
Manifest18cfe72f5fd258ea5d9e1af862d882836faefd145f05001657dce6dbaba5399c

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
SignatureIIOUCHQ8kiszmtMiIoqvQh8Id+y0VnJXgOcB3oYX8q1Jo696FcQrnMqyy+Hn4I4CD5rA9vatKN6O/lrLq8OcAQ==
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

2026-09-17T09:59:40.047381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081621
observed 13e0f2d610d1da8c3b4b4d10af27e091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.027423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081621/manifest.json
observed 18cfe72f5fd258ea5d9e1af862d88283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:40.007623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081621/publication.md
observed 2b02212c44ec47750c83237ff4850aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.990902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081621/publication.txt
observed b090e42a42afd69cddc8edf50a0bd047...
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.