OpenTechnical

OT-2026-000089528

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089528) never changes.

Identity and time

Publication numberOT-2026-000089528 · never reused
Internal UUID01a0ae9b-db02-7a21-9d4a-4ee3557d500c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089528
StatusPUBLIC

Content hashes

Canonical text4c3edc0a2b721cd362e71144fef9c1aced07d37334891d6e60961ca1fb132b6a
Markdown62545ca2834c56bd4a38cfd55803bdfeabb8ab0ba04835cf846e2b45a97411e0
PDF
Publication page8bb021f1715b7ad5103e1a29545722d285d07e714f5dbbc8564d84a58054f05f
Manifested09d3c129cb28a00351d392fb76a431b906bcaa904802132ac630f8dbd8c960

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
Signaturel1YWX7YYV9djwsFoLlRjVtb+h88Namcwttety8bWrlmagdR2s5qZppSsgFcdazVrcoovEwU7PNAqrx+5s1G3DA==
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

2026-09-17T09:47:41.308854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089528
observed 8bb021f1715b7ad5103e1a29545722d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.291786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089528/manifest.json
observed ed09d3c129cb28a00351d392fb76a431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.273388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089528/publication.md
observed 62545ca2834c56bd4a38cfd55803bdfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.253197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089528/publication.txt
observed 4c3edc0a2b721cd362e71144fef9c1ac...
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.