OpenTechnical

OT-2026-000099775

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000099775) never changes.

Identity and time

Publication numberOT-2026-000099775 · never reused
Internal UUID01a0aea2-c977-7693-b223-dc8962f645a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099775
StatusPUBLIC

Content hashes

Canonical text3716ad2f9008870eb4b9aae548fc7951cdb8b3ec625276cbe3df3209827f5b67
Markdown64d00a43f964f9e6ba87fd0d12572fca754d202d1ed732afdbb28d2a52a99b08
PDF
Publication page23840b0ca4f4316152f3e07428d3060c8184e87db25622c645a7955f71a58d3d
Manifeste31ca29e2209d45e2368d4762879fb4554b9e8600694b106c7a48f24c96a8f4f

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
SignatureLFYfCw+nc/S3zxDZSBhGMb3R1clnAG1o0/TMYbHC8EEKrR/0GSJ/hlAtfAumDfPouzr/QgPTDzJC4K7iU7oZAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:48.576859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099775
observed 23840b0ca4f4316152f3e07428d3060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.559440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099775/manifest.json
observed e31ca29e2209d45e2368d4762879fb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.543638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099775/publication.md
observed 64d00a43f964f9e6ba87fd0d12572fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.526671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099775/publication.txt
observed 3716ad2f9008870eb4b9aae548fc7951...
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.