OpenTechnical

OT-2026-000102835

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000102835) never changes.

Identity and time

Publication numberOT-2026-000102835 · never reused
Internal UUID01a0aea4-858c-7037-9b4b-ad33ebe179fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102835
StatusPUBLIC

Content hashes

Canonical textec5f197bce05eeffd43b81c707748c64b1da48be35247ffdb88309ef01b586c2
Markdownb87c195687c194f1a11a35cef1fa9f8599d90c2435458eefa02ca9b0d4ba2b3a
PDF
Publication page262e7ff140e19215e9e81dc082bfe3fcda0dd8a52184b641594a7096e423e266
Manifest8a2fadb4bb1b6b22e31d75126dbc33664f79d97d7701d38798f535988072c0c6

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
SignatureC1zIADaw5lAvbd2iyPolsHqhjvn/by+TTzqZqZrIJHr6P3Zg9M8F/b+6qHNHs0wiEX0ivJE+5H9rrDu5yUnZDQ==
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

2026-09-17T09:24:22.362428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102835
observed 262e7ff140e19215e9e81dc082bfe3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.343602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102835/manifest.json
observed 8a2fadb4bb1b6b22e31d75126dbc3366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.325608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102835/publication.md
observed b87c195687c194f1a11a35cef1fa9f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.306494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102835/publication.txt
observed ec5f197bce05eeffd43b81c707748c64...
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.