OpenTechnical

OT-2026-000085350

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000085350) never changes.

Identity and time

Publication numberOT-2026-000085350 · never reused
Internal UUID01a0ae99-aaaa-70cf-863f-54d4865ad19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085350
StatusPUBLIC

Content hashes

Canonical text75c5ef1e704d4033fb26193ee37dc44f398ae004baa77994ecd5826e5c8bd199
Markdownf3bd678da1538826df1b4adb73cebac5e98e79ec7bd4562cfb94b295d1e1c6e9
PDF
Publication page76c9b5c185436550a0930e286c5a6b42a33acd96f81014dbd49751e6068e5c0b
Manifestdf32d7f833c5b54235d3da77641fb87611b3089843fb983b2916f9fda1d8a854

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
SignaturedPKtfLDa10hNnm80wDvlTtyPx1hF91XGpRsmNClBhGcgYB8Ti7hckgM4e0VBotrOR6ji+v30wGQaqczOLKg3DQ==
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

2026-09-17T09:54:04.819787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085350
observed 76c9b5c185436550a0930e286c5a6b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.802726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085350/manifest.json
observed df32d7f833c5b54235d3da77641fb876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.785863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085350/publication.md
observed f3bd678da1538826df1b4adb73cebac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:04.768857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085350/publication.txt
observed 75c5ef1e704d4033fb26193ee37dc44f...
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.