OpenTechnical

OT-2026-000083127

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083127) never changes.

Identity and time

Publication numberOT-2026-000083127 · never reused
Internal UUID01a0ae97-c962-722d-b274-785bdc4153e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083127
StatusPUBLIC

Content hashes

Canonical text13c4d2f54535ecdce8ef3a5c1ecc409df51fb8ff977e98d860dcd61ad9f168a0
Markdown29697eaba4217693cdaf02f653ae21dc0431d3264656fa841e2295fcb010fca5
PDF
Publication pagead1ba773f69021864c92459ea623f1db77d9a156755ffdedf83ffec4765cb00c
Manifestb89b770b0d4b0e10cd5d67f10cecaa497bbb162f3cfb1bedafb667e260aa6686

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
SignaturejR6NX1m363wsQEE3GmI1lwrido+msKD1eZjeEzsUAi9hPkriSYUPmh29okTvomuGOrF35pOEJfE9pcrCJ5LPDQ==
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

2026-09-17T09:00:45.126222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083127
observed ad1ba773f69021864c92459ea623f1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.108282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083127/manifest.json
observed b89b770b0d4b0e10cd5d67f10cecaa49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.089416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083127/publication.md
observed 29697eaba4217693cdaf02f653ae21dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:45.071159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083127/publication.txt
observed 13c4d2f54535ecdce8ef3a5c1ecc409d...
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.