OpenTechnical

OT-2026-000070841

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000070841) never changes.

Identity and time

Publication numberOT-2026-000070841 · never reused
Internal UUID01a0ae91-8c2d-7e32-a79c-77b0c64d551a · 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-2026-000070841
StatusPUBLIC

Content hashes

Canonical textdb744bc108eec4817081cd6ab2c88bc7c11308c1979d9e3512b007575880c602
Markdowneb95d42efa9b49da45919666008a55536802adddf41ab4451fe87271c26f8d9e
PDF
Publication page2110511e3b4bfd4092664e9676ea7beda2224857950e4310138671017d2160ba
Manifest5c25c3fdde1453f59b35543a2f8e304f34132c5de404a0b1d3f6bc0713b6b331

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
SignatureinC/7KioRIohiA/w7qS2VQYE53o8dUO26S6bjBAkg+36iTbnGRtboLsRCj2rqtTXf0VnjyflGCdJ1fO30dWQBQ==
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

2026-09-17T10:25:39.623737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070841
observed 2110511e3b4bfd4092664e9676ea7bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.606440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070841/manifest.json
observed 5c25c3fdde1453f59b35543a2f8e304f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.589690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070841/publication.md
observed eb95d42efa9b49da45919666008a5553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.573133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070841/publication.txt
observed db744bc108eec4817081cd6ab2c88bc7...
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.