OpenTechnical

OT-2026-000090775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090775) never changes.

Identity and time

Publication numberOT-2026-000090775 · never reused
Internal UUID01a0ae9c-7f31-79be-a3b1-c25af2b2fae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090775
StatusPUBLIC

Content hashes

Canonical text5941916b9b634ea41309d86e560f0383260da630fc05ca242874ff39aacf4d49
Markdowndd019310379bc91fc763e1329252a8814d599cca610b434056afd8dfec498423
PDF
Publication pageb7153e01f997571f2dcfd4bfb4415cab1769828ab59bb75b0f0ac4315056f1a6
Manifest9e5630937bdec7fff13dc5b99a9ba1a8a589f355e50cd3758f5b84f08908ed17

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
SignatureBLW7MHntt/C7sckGuZaW6G66pq74el2VMTTciOQweyaZ7vo4XNhiPl3DshGhVF0QJkEOgk9pVT0lLD8lbqGwBQ==
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

2026-09-17T09:44:58.607641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090775
observed b7153e01f997571f2dcfd4bfb4415cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.589648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090775/manifest.json
observed 9e5630937bdec7fff13dc5b99a9ba1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.572842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090775/publication.md
observed dd019310379bc91fc763e1329252a881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.554617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090775/publication.txt
observed 5941916b9b634ea41309d86e560f0383...
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.