OpenTechnical

OT-2026-000023839

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000023839) never changes.

Identity and time

Publication numberOT-2026-000023839 · never reused
Internal UUID01a0ae70-aed5-7c06-85ff-7cd597f1a05f · 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-2026-000023839
StatusPUBLIC

Content hashes

Canonical text6f06e721fd667ca303363e435200e7b4edcbf9a8becdfc581957f0df4ce3fd1d
Markdown8f11afbb71fcb5e977670184192441005968d19ace935cd4fae52ab6110d068e
PDF
Publication page6aa8dab6872e3634da77b9b621e6ff79eda376df6e88a23458dbead4dd9244d7
Manifest8bd5b8c8db5d9f0dd3bf88158d0dbe87dd7a282eb0931612a242fca96e472ef0

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
SignatureB6dt5G/O4wGC95STQmnsaYcemuEfl4xaChJEe2hFo7V/ypuLmSYGXAYjw0Y6aqVIw+5ZCtxRdNozlZLhtJcSBA==
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

2026-09-17T11:50:19.830701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023839
observed 6aa8dab6872e3634da77b9b621e6ff79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.813885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023839/manifest.json
observed 8bd5b8c8db5d9f0dd3bf88158d0dbe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.793909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023839/publication.md
observed 8f11afbb71fcb5e97767018419244100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.775815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023839/publication.txt
observed 6f06e721fd667ca303363e435200e7b4...
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.