OpenTechnical

OT-2026-000033176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000033176) never changes.

Identity and time

Publication numberOT-2026-000033176 · never reused
Internal UUID01a0ae75-4844-734e-bed1-2df9a0b335cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033176
StatusPUBLIC

Content hashes

Canonical text7fad874be084569798cb17e00a86dadcb7f5ab76b210d5515fcc2932de9ed7be
Markdownc6b5bca104f640d5cdc62c7754ffd96217a17cb20faa021f7b22d496bafbbb08
PDF
Publication pagebed208d7b4fa93bb227f655622d30888185e949c03eb188a7e963eaaeced3c0f
Manifest34782258e564fab77d226d802ce3c23749952f5df6e1f1f02966feb62c03b0dc

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
SignaturelXF/354K70Gfe+SFCxgDKgTvBXam7WKWFXUUKML+GddgoAtcivpQ7WQpRXXHT3GKpRgFbHw3JJ1iPmNYzv1JDA==
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

2026-09-17T11:32:52.158335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033176
observed bed208d7b4fa93bb227f655622d30888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.140812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033176/manifest.json
observed 34782258e564fab77d226d802ce3c237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.124117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033176/publication.md
observed c6b5bca104f640d5cdc62c7754ffd962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.108206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033176/publication.txt
observed 7fad874be084569798cb17e00a86dadc...
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.