OpenTechnical

OT-2026-000033075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000033075) never changes.

Identity and time

Publication numberOT-2026-000033075 · never reused
Internal UUID01a0ae75-4843-7cd2-a28a-a9716d7bec0f · 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-2026-000033075
StatusPUBLIC

Content hashes

Canonical textb3ccad654b66131679947eb30aa912a784973213259aad9ae96ea15a95d934a6
Markdown2a7e5f26255ae51dfbb1a87f5f3fbcb1d87143efa37439ef73b4548599ea64cd
PDF
Publication pageadd260df60656de4d88b3b04f916a4bd1d882bed11634f806675b914a9a14efb
Manifest27580775037bbc8c24391c4ef9c9fed369f17b31fb48eab9abe29e1406710737

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
SignatureSD8bzGUUxENC/W2zHKAoHTujr+m1lmA24afpOevvxWBYc6i20MITAqHArdeGCCi6TOYZ/+5uui1g+mIr8SmDDw==
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

2026-09-17T11:32:43.264613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033075
observed add260df60656de4d88b3b04f916a4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.246417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033075/manifest.json
observed 27580775037bbc8c24391c4ef9c9fed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.227484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033075/publication.md
observed 2a7e5f26255ae51dfbb1a87f5f3fbcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.207612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033075/publication.txt
observed b3ccad654b66131679947eb30aa912a7...
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.