OpenTechnical

OT-2026-000101069

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000101069) never changes.

Identity and time

Publication numberOT-2026-000101069 · never reused
Internal UUID01a0aea3-c377-7a4f-b72c-203864219382 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101069
StatusPUBLIC

Content hashes

Canonical texta8e2cb5e47276b081e87f405dcd0810b8dc1873563c2753dbea7822fb5c50f58
Markdownfe40551048a14e29c7e5fb01ee6a9f1d21fc5e6a1fdbbcd2e7fda30aeb0a05bc
PDF
Publication page013e62c8904767e05a3a711b8bf9a3bab4858004ff517750085270a0f871495e
Manifest2fd24c1881a67d9b984ede3d1a3d09ac804ff5160832a2852fba163de7913393

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
SignatureKhhu6o9xDRFtTdHU7sInQEn6AVRkv18TpNT1lpnX5AXfig/2EfQI+9ILgQVYUPsHyBlIw00eyeq7TM1r3HXJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:41.089299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101069
observed 013e62c8904767e05a3a711b8bf9a3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.070414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101069/manifest.json
observed 2fd24c1881a67d9b984ede3d1a3d09ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.053429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101069/publication.md
observed fe40551048a14e29c7e5fb01ee6a9f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.034693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101069/publication.txt
observed a8e2cb5e47276b081e87f405dcd0810b...
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.