OpenTechnical

OT-2026-000010157

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000010157) never changes.

Identity and time

Publication numberOT-2026-000010157 · never reused
Internal UUID01a0ae6b-cb7a-7dc8-a3bb-317ccd96c3b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010157
StatusPUBLIC

Content hashes

Canonical text80879e31832aedc52d23de64ae92da234e223b6d5c9c0d386116b2dd148d3b54
Markdown6056523344dffb78661c034691a554f460225266a4c34087776d09e0db2e816e
PDF
Publication pageaeb2b508cd9714a83fb363cbefc0445f80576f730e7e41434511940060f10d1e
Manifest70714533fe04e2c71a4874d54df59ac7e9074480633584f51869f5362b0a0c79

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
SignaturechpY6qRvXEanzk4AgrsABpFXc2LGm+U9KrEidbcjOmizCtchhyox2SyFvDJVNWuooN1Wj3pHAgsqkRltvrmaAQ==
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

2026-09-17T12:16:15.806379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010157
observed aeb2b508cd9714a83fb363cbefc0445f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.788532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010157/manifest.json
observed 70714533fe04e2c71a4874d54df59ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.770125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010157/publication.md
observed 6056523344dffb78661c034691a554f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.749571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010157/publication.txt
observed 80879e31832aedc52d23de64ae92da23...
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.