OpenTechnical

OT-2026-000050789

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000050789) never changes.

Identity and time

Publication numberOT-2026-000050789 · never reused
Internal UUID01a0ae82-c7b2-72d0-a720-0e8b691ae169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050789
StatusPUBLIC

Content hashes

Canonical text938d3a48dbc7af6596f79ca7bbf689999aa5b014c426958b5118893aae4b3d7c
Markdown520f0860cfe7000f551007de2be15705866ed47507fff2a21b8d349a2404dd4e
PDF
Publication pagef9993b15f5003c2e3ac58da73a5eb45b8f8a78cc36291014d327119d3dcb3e52
Manifest27b9860340b7df4038044e30e688f81587d39eb4d4f21ffefbdc5d212899da6a

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
SignatureycJ8QZN0jvGDehn9R0Is6EGzO2Rfofp2evO56zXRgCKZkcfaB8pToUFWjZ1R8wAvuWWrtHl+xf7ESNMhRIF/Cg==
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

2026-09-17T11:00:18.513765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789
observed f9993b15f5003c2e3ac58da73a5eb45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.486837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/manifest.json
observed 27b9860340b7df4038044e30e688f815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.485900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789
observed f9993b15f5003c2e3ac58da73a5eb45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.461298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/manifest.json
observed 27b9860340b7df4038044e30e688f815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.457745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/publication.md
observed 520f0860cfe7000f551007de2be15705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.430813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/publication.md
observed 520f0860cfe7000f551007de2be15705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.426165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/publication.txt
observed 938d3a48dbc7af6596f79ca7bbf68999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:18.409684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050789/publication.txt
observed 938d3a48dbc7af6596f79ca7bbf68999...
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.