OpenTechnical

OT-2026-000067109

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000067109) never changes.

Identity and time

Publication numberOT-2026-000067109 · never reused
Internal UUID01a0ae8f-14ff-7104-a2e0-0df255540650 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067109
StatusPUBLIC

Content hashes

Canonical textc90d05ca9e8182eeee8dbfa3418ff09deacd7907c7e71492492ada6a95d68564
Markdown08bf0652c4dd4569e1ee8f4d3a20491d6061b1b5e1bbeba9c67a340d55a3a203
PDF
Publication pagea79fcf33c56a6fe9849f9fa1984b9c12e0c9ee85133e3bcfaaf19152d5cf8d88
Manifestbf6363e1b7d36553e21277ba4ec4478ea18b89850054edbbe8a311b8b7c8d6ab

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
SignatureNs4sJuPuYtnRodIfH1qbt85dCiIYCOKGxVA1zRm4vFCLA3oE5mjvxojfiWPULgQl+kXr4riz52m1xeJ5B4zHAw==
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

2026-09-17T10:32:22.700104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067109
observed a79fcf33c56a6fe9849f9fa1984b9c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.681753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067109/manifest.json
observed bf6363e1b7d36553e21277ba4ec4478e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.664543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067109/publication.md
observed 08bf0652c4dd4569e1ee8f4d3a20491d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.647533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067109/publication.txt
observed c90d05ca9e8182eeee8dbfa3418ff09d...
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.