OpenTechnical

OT-2026-000103725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103725) never changes.

Identity and time

Publication numberOT-2026-000103725 · never reused
Internal UUID01a0aea4-e462-7600-88c2-7db44555fa2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103725
StatusPUBLIC

Content hashes

Canonical textb24be9210b8f1ea440b27a00a83ffd7c895266ae74f1517346bb0774056ea039
Markdown301fcca749e6039ebcf1e56ed3bba70bf9defacfef529052bea28331b06f9c3e
PDF
Publication page77280db5b84acea5912ddb34c4fd4c60cbbc0d7649e30f659ca4b79ad5b57789
Manifest5f445344a0ec714d18d61625fd732175f288d3a358433354e47357a11bf91623

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
SignaturebjUP9F/BhGKXyrQm0hJ+Ws+srRiNQ03tM4cWWLomtNqiOqIO987Vyb9H1aFGlezcPALj5RYbWVhDTRonRUmPBw==
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

2026-09-17T09:22:32.395137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103725
observed 77280db5b84acea5912ddb34c4fd4c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.378340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103725/manifest.json
observed 5f445344a0ec714d18d61625fd732175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.360487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103725/publication.md
observed 301fcca749e6039ebcf1e56ed3bba70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.343384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103725/publication.txt
observed b24be9210b8f1ea440b27a00a83ffd7c...
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.