OpenTechnical

OT-2026-000079373

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, sustained 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-2026-000079373) never changes.

Identity and time

Publication numberOT-2026-000079373 · never reused
Internal UUID01a0ae96-0b90-74fe-b90a-946fae705ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079373
StatusPUBLIC

Content hashes

Canonical texte129635feae5d518e270dee26dcc5a4b9352a957d36c9afec435b7f877d82d69
Markdown3a5753227d5d93713640e6b8aea212f255b673b1847d1474b8dddd4373892fca
PDF
Publication page907f654db03ca01bcf5b339c26266a8c4798601bfaa42914caffac3afe2b11e3
Manifest4e3a8bbae7cd573c753a83b0ef5258204f5fa0e1f7caa3952da3021f0bc86039

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
SignatureY78ez58ChqkjsKQEUXiXmwwFV+IlZKDToHfFsW20KqWnCkKK7Klc+/as7yQDdbwqq4MZ7r7VKwNMSLXUagpmBQ==
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

2026-09-17T10:04:59.604510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079373
observed 907f654db03ca01bcf5b339c26266a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.585295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079373/manifest.json
observed 4e3a8bbae7cd573c753a83b0ef525820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.567523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079373/publication.md
observed 3a5753227d5d93713640e6b8aea212f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.551090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079373/publication.txt
observed e129635feae5d518e270dee26dcc5a4b...
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.