OpenTechnical

OT-2026-000084933

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000084933) never changes.

Identity and time

Publication numberOT-2026-000084933 · never reused
Internal UUID01a0ae99-43b7-7941-b4d5-446608d1405b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084933
StatusPUBLIC

Content hashes

Canonical textdce098e58b0648bfd0d2d11be5ae4ddf80cb18daebb4959ac27e79f2d7982197
Markdown47c30d82c4c51097fb3ca60a1ab8d6983093062645898282faf2ad23ef667e2f
PDF
Publication page5e59590acd14250b905a01aa91ecec656e2e18802bf74c11d6579770e6ac2e3e
Manifest1a99911d637bacf81c8cf2a358bcb0448f65d078c5c0e1d58c0c88552b07c9dc

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
SignaturewnfU/XDWhWeG8PnmcN0zYTzuZoJB48gaut94ms0ZGBS7s2LvGF0CcFoAf/emHCTfTBNlCPiF21RSyMFpFFteDQ==
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

2026-09-17T09:54:55.314744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084933
observed 5e59590acd14250b905a01aa91ecec65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.297605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084933/manifest.json
observed 1a99911d637bacf81c8cf2a358bcb044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.277704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084933/publication.md
observed 47c30d82c4c51097fb3ca60a1ab8d698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:55.260391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084933/publication.txt
observed dce098e58b0648bfd0d2d11be5ae4ddf...
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.