OpenTechnical

OT-2026-000005991

Publication integrity record

Porous face vacuum gripper, two outlet manifold, two 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-2026-000005991) never changes.

Identity and time

Publication numberOT-2026-000005991 · never reused
Internal UUID01a0a94b-8cfa-7441-a3cd-704cc12e3d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:15.932563Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005991
StatusPUBLIC

Content hashes

Canonical textde4eb9d4386aa7263a5a100ae098a2b6c0633cc951925385e9ece0d31f847eb8
Markdownd03b2aec49f5d8266d862a4d7208908ad5161a7298c05d17c668b0fa46eeddd9
PDF
Publication page5f7924fbea0aab3168d21b220ec4acb538a2a96c47e3552315dca4dd6c91eda1
Manifestecc82fe92b618c3a42c05ff4c09778922d072e56f764a082d29e5f3f54e7acf0

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
SignatureEJL6xO7ddsE5hLFLyzuvwMGkqGlP8h6uyIcgyeiP02enU4hqQjdTb7S6YSgW+1+qZfOCrk7jUHYbxukS4GuEDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:08.653309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005991
observed 5f7924fbea0aab3168d21b220ec4acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.639528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005991/manifest.json
observed ecc82fe92b618c3a42c05ff4c0977892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.623465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005991/publication.md
observed d03b2aec49f5d8266d862a4d7208908a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:08.487665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005991/publication.txt
observed de4eb9d4386aa7263a5a100ae098a2b6...
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.