OpenTechnical

OT-2026-000095126

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000095126) never changes.

Identity and time

Publication numberOT-2026-000095126 · never reused
Internal UUID01a0ae9f-8f6e-787c-8d4e-4553984bb3bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095126
StatusPUBLIC

Content hashes

Canonical text6135c4a36bf9c1e9f02f5ba7ae3ca33ccb15953cfb2fbb098121f7c5555f4d4d
Markdown3ac3348db14442b43324115196a1494965d4d1f2b23e681f152c7b1e64610cbb
PDF
Publication page3eee01bff5d3c11d0745bf17862f7d8c785880bb063bf39bd67a7a6174c62c56
Manifestba656c2667646b1e4c5e97cb473facf7cd33aa6e86bbe7f09689db45c9aba3dd

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
SignatureNz+xHVoHjCkBxVhWEKZmso4XrNlY+fbGv2uG1T/OAEgvZsmNBAwsiibkcgYZWNBAg3W3z0zMjhYH/6Ip6fZFAw==
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

2026-09-17T09:36:25.166696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095126
observed 3eee01bff5d3c11d0745bf17862f7d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.150015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095126/manifest.json
observed ba656c2667646b1e4c5e97cb473facf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.132367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095126/publication.md
observed 3ac3348db14442b43324115196a14949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.114844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095126/publication.txt
observed 6135c4a36bf9c1e9f02f5ba7ae3ca33c...
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.