OpenTechnical

OT-2026-000085438

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before 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-2026-000085438) never changes.

Identity and time

Publication numberOT-2026-000085438 · never reused
Internal UUID01a0ae99-aaab-7e5c-a690-85c989e729fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085438
StatusPUBLIC

Content hashes

Canonical text49817e7963459af5fed7c890edda9687065c3aab5d4f8b16935b2bfe53bfcb78
Markdownf57bf00889e27bca3f49e967cef4829d1338fe779131e4d5697a4727d94a19f9
PDF
Publication page8efd8a03e74bfb06912791440653edc4dcfa07353bae1001ee859d8ae984a1c4
Manifest188acecfbd645cccf87fa97a405a9302c1ecd26fe0e2d43db65512b1e967c78e

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
SignatureyFuXhcyTv7IYD4e6D6umMsL5upLTM1yJO4U1q8lsbDCmKB5h/VCT0gwcvM6f6r0eltkRXUmbD+Kq8NfSrJZSAg==
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

2026-09-17T09:54:13.338811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085438
observed 8efd8a03e74bfb06912791440653edc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.320815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085438/manifest.json
observed 188acecfbd645cccf87fa97a405a9302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.303679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085438/publication.md
observed f57bf00889e27bca3f49e967cef4829d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.285307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085438/publication.txt
observed 49817e7963459af5fed7c890edda9687...
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.