OpenTechnical

OT-2026-000085479

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000085479) never changes.

Identity and time

Publication numberOT-2026-000085479 · never reused
Internal UUID01a0ae99-aaab-7e60-bbd3-aad031ffdff6 · 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-2026-000085479
StatusPUBLIC

Content hashes

Canonical text7cf3c9b2e482cf37145c33690cc972444dc2bf6ddc62f35c9a8b30dafd511cae
Markdown346edd0033fd3fde5cc74c823409a8b58303cbdd1fce97c6504f90972496b068
PDF
Publication page8425abafaa2783d2f565a8b7ba9157edff113e8e1bbe952ff40a02f4d8732162
Manifestcf84a09f74a198851053c55108d7bd01c82ca9ae6c39050e4c023a8e939cf6c1

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
SignatureMEFYbVvuurkztfunqHeZeZ9DSEXdDv1aGk9UFWfdTqApWu4852nbFJJ06pHH/s6L34GpyXjx+zEFzgc42VYcBw==
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

2026-09-17T09:54:16.546395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085479
observed 8425abafaa2783d2f565a8b7ba9157ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.530171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085479/manifest.json
observed cf84a09f74a198851053c55108d7bd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.514742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085479/publication.md
observed 346edd0033fd3fde5cc74c823409a8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.497317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085479/publication.txt
observed 7cf3c9b2e482cf37145c33690cc97244...
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.