OpenTechnical

OT-2026-000085283

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000085283) never changes.

Identity and time

Publication numberOT-2026-000085283 · never reused
Internal UUID01a0ae99-aaa9-7889-a0e8-7fd084e7652b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085283
StatusPUBLIC

Content hashes

Canonical text2bea221f5ba7896404ca9ee0b74c0f432b4f2683c44da79c3c1d9a755d393119
Markdown1d5009e0319bdbf10c87b4564541e1a5cfa3d1355ba70053c0de3829052dc11d
PDF
Publication page8c48a91b93ca7ff1088974472bfa52d108c3cdedbabf908a76de597701f41346
Manifest3bd0db64b4cc946cddc37772d774a362241ab55c8a3f381442d96fafaac82db5

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
SignaturewlY6FoOD8tD5RrqPpfv4wXkCE/a7F4BGGyGYKwfk92qducsTfJ5HLtYerD772ExoXLoewqdbfPZc6ikM/bDwBg==
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

2026-09-17T09:53:59.629818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085283
observed 8c48a91b93ca7ff1088974472bfa52d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.611050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085283/manifest.json
observed 3bd0db64b4cc946cddc37772d774a362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.592859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085283/publication.md
observed 1d5009e0319bdbf10c87b4564541e1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:59.575425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085283/publication.txt
observed 2bea221f5ba7896404ca9ee0b74c0f43...
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.