OpenTechnical

OT-2026-000103174

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103174) never changes.

Identity and time

Publication numberOT-2026-000103174 · never reused
Internal UUID01a0aea4-be3e-7366-a0b4-509bfc3c3e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103174
StatusPUBLIC

Content hashes

Canonical text070a1f1068dcf4c8c75a85fa0c46ff04cabff5fe75f5074bec542efe73c97844
Markdowna86e6e5b20d95937ce091d6698c129eaddfdac7f93966c6ab7ac1c37b2c594b5
PDF
Publication page84e48015d88143ebf9e1b2a78c4884c96e06d757db91b832856692d49346e61f
Manifest1f26e7b800c051cee45539838dbefb78094e0f7734de1f1e312403342439872a

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
Signatureymn8N5vYGZ+yzQ56esOc86pSE5GhiJUFbdYiR0ehaFEabLZbqFRhIWI41D0rlSt19PNiFjBfqiFbf1XjwcyCCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:23.538470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103174
observed 84e48015d88143ebf9e1b2a78c4884c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.519865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103174/manifest.json
observed 1f26e7b800c051cee45539838dbefb78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.502909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103174/publication.md
observed a86e6e5b20d95937ce091d6698c129ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.484761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103174/publication.txt
observed 070a1f1068dcf4c8c75a85fa0c46ff04...
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.