OpenTechnical

OT-2026-000091409

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000091409) never changes.

Identity and time

Publication numberOT-2026-000091409 · never reused
Internal UUID01a0ae9c-f16d-7423-baba-ed1da77727e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091409
StatusPUBLIC

Content hashes

Canonical text49642ee44b7d15c8d9259ad0cfb593391e2fabac0ece9e2a0a3ddd0d01cb6737
Markdown2ef81d6f9b9e8aa81929a302f96894c3abd3dab9745469e7bf61ba8bb254ce21
PDF
Publication pagecc8115db94af91c77f44b132d0c3a64c112b835bd852337f07216298f36fdc38
Manifestc697e99b25e157cba4d929c3211e7c659d0ca4a9f237518bd79fd4920ac97058

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
SignatureRXBy/NXc65mfFDjuHFgVXpjCuk3J/5STtaBymnxfxLRqU6tOYbGMR0YnZm59p0ABSTSOqQov53uzmSHQ8bRNCQ==
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

2026-09-17T09:43:38.534167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091409
observed cc8115db94af91c77f44b132d0c3a64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.515712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091409/manifest.json
observed c697e99b25e157cba4d929c3211e7c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.498009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091409/publication.md
observed 2ef81d6f9b9e8aa81929a302f96894c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.478965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091409/publication.txt
observed 49642ee44b7d15c8d9259ad0cfb59339...
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.