OpenTechnical

OT-2026-000084361

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084361) never changes.

Identity and time

Publication numberOT-2026-000084361 · never reused
Internal UUID01a0ae98-5b62-77f4-abec-91119d2fa1e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084361
StatusPUBLIC

Content hashes

Canonical text521a1b4ca0ad4b19c5883fc70c83bbb8145448b62dedde46edb5a5d765266650
Markdownf44e6472b416218618eec90e1e27068e9ede65f6094461c0103721c4ec7c3a9c
PDF
Publication page365d8ce983f182461e7e1dc99065539a6c0463e7779bcf004034a00268727345
Manifestc7f26ff8a5014e3b37cbae25730c8eb2f8cb646cc57d9721c6d4a52622b03f39

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
Signatured/74x6ELv3C9AVVh55UWOKNWup7rUubz6hQpwlqD+rjSEnTnD8+w8qRRvceStueUZRny8zy20uWuilGZEG0uCw==
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

2026-09-17T09:56:17.763399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084361
observed 365d8ce983f182461e7e1dc99065539a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.745483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084361/manifest.json
observed c7f26ff8a5014e3b37cbae25730c8eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.728782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084361/publication.md
observed f44e6472b416218618eec90e1e27068e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.713446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084361/publication.txt
observed 521a1b4ca0ad4b19c5883fc70c83bbb8...
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.