OpenTechnical

OT-2026-000078212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000078212) never changes.

Identity and time

Publication numberOT-2026-000078212 · never reused
Internal UUID01a0ae95-7c26-7cc0-8499-c5843a2c9a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078212
StatusPUBLIC

Content hashes

Canonical textca2b7cd7143100160bbd651b3952f5469713cc6f177078c6d0c838880628511d
Markdownb27084f2922f6357d368c78da7566542afdfe7e7c984fbc71430529c579450d6
PDF
Publication pagec1c15c754a45e567e9f6e20a1eb4572edeec71ef551869415693f104360cd9e2
Manifest7c68949f6a6b4bc0c3a6c9604981f3d8ef5f71b600a84137776304489c9fd930

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
SignaturebhlmQGhafDN9wGzMKakK5sJL454nA/zXZtvTNsctT+KKxxox7z/nbwrtqFgH8z+yELT/k+/j7HGu0ssuMC/+Ag==
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

2026-09-17T10:06:09.560675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078212
observed c1c15c754a45e567e9f6e20a1eb4572e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.541253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078212/manifest.json
observed 7c68949f6a6b4bc0c3a6c9604981f3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.522166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078212/publication.md
observed b27084f2922f6357d368c78da7566542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.502460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078212/publication.txt
observed ca2b7cd7143100160bbd651b3952f546...
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.