OpenTechnical

OT-2026-000079803

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, sustained blow-off before set-down

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-2026-000079803) never changes.

Identity and time

Publication numberOT-2026-000079803 · never reused
Internal UUID01a0ae96-4376-779c-a86e-39e34533e0ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079803
StatusPUBLIC

Content hashes

Canonical text57a31287508f77faabd367944fc8282384b1bec74db0cefa4075b58c5ff6e7ef
Markdown2d6ac7d8c6425aca38e536278fc169bba8116656f359d57f0a4709b1e6f502b3
PDF
Publication page642fa078b870963273a6aa150689301710253f1be71280c8d9bd350c66efa48c
Manifestbf5e80dd19d65574b632e39ef4f3c0119529bcf46a4911d93c15c885803692c8

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
SignaturedUr4yU5VaLCxW2H2ej5YgKltM1Xn7D/Zada3rDOOpRnZcfWqCn6dP2L9xtVHukehbqVnog+OucZKD8F/qP0eDA==
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

2026-09-17T10:03:40.926631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079803
observed 642fa078b870963273a6aa1506893017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.903489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079803/manifest.json
observed bf5e80dd19d65574b632e39ef4f3c011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.881591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079803/publication.md
observed 2d6ac7d8c6425aca38e536278fc169bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:40.860864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079803/publication.txt
observed 57a31287508f77faabd367944fc82823...
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.