OpenTechnical

OT-2026-000070751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070751) never changes.

Identity and time

Publication numberOT-2026-000070751 · never reused
Internal UUID01a0ae91-8c2c-71c4-9d92-2acbde080efb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070751
StatusPUBLIC

Content hashes

Canonical textc45d273c488332a10189002964f26df7cccc2dfdabca2b4f01c78e7ee47b2eb7
Markdown7fa3152e831296de621c1c51ee4b1365b893ce030284b737290ad879b61da8a3
PDF
Publication page267e181ca908d2e0be419f340b730189b0a8a92b64ffc1f8a38801812f9dff72
Manifest760f0c0cb6860d84081f6e14d263b6a8ad9af4cf0ee06201c9c79c8912b77d71

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
Signature0gLcb7OII+pTn6smp2FxIV3P7asyv+vI3Fn9RLc3VyXJDx6w2FM+euBv7Z8keB2bUnGc3n525fWk32nqk5wBDA==
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

2026-09-17T10:25:26.910848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070751
observed 267e181ca908d2e0be419f340b730189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.893854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070751/manifest.json
observed 760f0c0cb6860d84081f6e14d263b6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.876051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070751/publication.md
observed 7fa3152e831296de621c1c51ee4b1365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:26.857741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070751/publication.txt
observed c45d273c488332a10189002964f26df7...
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.