OpenTechnical

OT-2026-000085434

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000085434) never changes.

Identity and time

Publication numberOT-2026-000085434 · never reused
Internal UUID01a0ae99-aaab-72d8-92c2-6fe3e9511cda · 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-2026-000085434
StatusPUBLIC

Content hashes

Canonical textdcd07a59345fcb67d7427476e0af82f53eda82ecaca0014eef2778f9d0eb405d
Markdownfbbbcc3f3f197c5bc32a5346fec0dd913344bf4d34eb8cd4cc40c4782dcbe795
PDF
Publication page781e4d818e2874b4ddca2d79791ebe0a4293814ca3abf319d0b7093c55cfdd72
Manifest445f7a933cf309f7abfa6b5de9ce20fafffe4144b7ab37dd30579eaf900946f4

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
SignatureOmyzWzQ+3wdCKGDrfhoylve6u/6htSTXQk98IglfxPpVt0WLPlL77pPPZ9zmghHjFyUEctu1lgQBomcEYZTRDA==
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

2026-09-17T09:54:12.865457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085434
observed 781e4d818e2874b4ddca2d79791ebe0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.847854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085434/manifest.json
observed 445f7a933cf309f7abfa6b5de9ce20fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.826966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085434/publication.md
observed fbbbcc3f3f197c5bc32a5346fec0dd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:12.806236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085434/publication.txt
observed dcd07a59345fcb67d7427476e0af82f5...
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.