OpenTechnical

OT-2026-000042629

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042629) never changes.

Identity and time

Publication numberOT-2026-000042629 · never reused
Internal UUID01a0ae7a-c0ce-73a7-a631-5492bcf0461e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042629
StatusPUBLIC

Content hashes

Canonical text2238d93f648754c4c319ef6ef4dc2df36d84e7876f035fc8d7fb440bbc1b6c2f
Markdown7e09c5401feae4d2794b37913baea4011f484f424ce4e315ab69e72220c5e5d6
PDF
Publication pageb6458500ca13e75246c402d76519732bf1e0d4e59a1609df7642529771fe284c
Manifest45ca13c92348156d7173a0d61c9ae2092f252687d42e08c2f956dd0e50093c18

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
SignaturepS84dUS0nmTTqdAWq5vcZgEdoqDHaruuu/BQPAraUqAPEWeYvImal4oichRRWMxkjpSbdCBbgHlSPlGZ+7m5BQ==
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

2026-09-17T11:14:21.790073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042629
observed b6458500ca13e75246c402d76519732b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.771062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042629/manifest.json
observed 45ca13c92348156d7173a0d61c9ae209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.749891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042629/publication.md
observed 7e09c5401feae4d2794b37913baea401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.730236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042629/publication.txt
observed 2238d93f648754c4c319ef6ef4dc2df3...
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.