OpenTechnical

OT-2026-000039979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039979) never changes.

Identity and time

Publication numberOT-2026-000039979 · never reused
Internal UUID01a0ae78-d8d7-7c79-8fbb-d4bfe2bdca24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039979
StatusPUBLIC

Content hashes

Canonical text3baf98ec1216aa7fb58fa613541e8d1a1a594da0a71b0e1fe49e0befb2a6c108
Markdowne27ba77e60d931f8b05c27c091de9cf26f5f8d4c5bdc5c42d4cb1e17f499e267
PDF
Publication pagecfa77b37fe5ecc843d57915e7df3b9b9114a0f4647717cf19e0e40f6694608bf
Manifest0579c231d13754d9f4b4cf6801ba1be2b2044c0515efe5e3b27399159d4eef7a

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
SignatureHN0cda7EgfKxFn9t7PYnASG16KEFGFzuvov8aWz90cXncTwFHNNGXi5S9HWja+6NEb1dPnQQHxTpa69ocuqWAg==
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

2026-09-17T11:20:18.387542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039979
observed cfa77b37fe5ecc843d57915e7df3b9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.363862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039979/manifest.json
observed 0579c231d13754d9f4b4cf6801ba1be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.343093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039979/publication.md
observed e27ba77e60d931f8b05c27c091de9cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.323406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039979/publication.txt
observed 3baf98ec1216aa7fb58fa613541e8d1a...
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.