OpenTechnical

OT-2026-000099762

Publication integrity record

Three bellows 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-2026-000099762) never changes.

Identity and time

Publication numberOT-2026-000099762 · never reused
Internal UUID01a0aea2-c977-761d-848f-b460bb7339e7 · 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-2026-000099762
StatusPUBLIC

Content hashes

Canonical text070e925c6194fe54ae8d02c42534c630a13f1f6c79a9dd961545244c343eae65
Markdown8a5546b641e41948dcbb91ed43a31256efd6e2342b2d9af8e95cba62051a7c94
PDF
Publication paged11f84c355479abd5d07463e325398e66b09b8492256eaa356284f2f6bb07849
Manifest38ba5f83dc7e7273fd43714aa13886671ea1a81523568ff273a06f191dba2ff9

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
Signature7IBU4e1Umk6fRbkRaeNGWhAdDLIOiRJir5S8P99+lsbE67IajpiwR0hvB8apufilZRd6TNtiNzDdeho0YKyQBA==
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

2026-09-17T09:29:47.571377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099762
observed d11f84c355479abd5d07463e325398e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.554642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099762/manifest.json
observed 38ba5f83dc7e7273fd43714aa1388667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.537433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099762/publication.md
observed 8a5546b641e41948dcbb91ed43a31256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.520705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099762/publication.txt
observed 070e925c6194fe54ae8d02c42534c630...
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.