OpenTechnical

OT-2026-000029343

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed 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-2026-000029343) never changes.

Identity and time

Publication numberOT-2026-000029343 · never reused
Internal UUID01a0ae73-5e20-7fd2-b102-a210e58317e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029343
StatusPUBLIC

Content hashes

Canonical textd7b5d963536609a24d8392b5690723336e9716359bd83b28af12c2fe3de079dd
Markdown94dd832da9aef187ede93c2abd36663ccafd77743122ac53cf8ea4a57b8601c1
PDF
Publication pageb2a531fe3f29161e0c71a5625bc3181dc7c66f2c315d5e729de8ea8fb7ac646b
Manifestb4415aa67fe4ea4c745f3e7ca56c2997ffd822018e77d998586016a565c737ef

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
SignatureJ0XfBgMcAMKtaU/v56Oj2T0bWvgFApdTRYbjnaFcOUPhKd7kdnBoiWnrsWedN5WEpdpzLEHHaUM7ZwDnbM+rAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:53.672851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029343
observed b2a531fe3f29161e0c71a5625bc3181d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.654232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029343/manifest.json
observed b4415aa67fe4ea4c745f3e7ca56c2997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.634527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029343/publication.md
observed 94dd832da9aef187ede93c2abd36663c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.613718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029343/publication.txt
observed d7b5d963536609a24d8392b569072333...
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.