OpenTechnical

OT-2026-000085356

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-2026-000085356) never changes.

Identity and time

Publication numberOT-2026-000085356 · never reused
Internal UUID01a0ae99-aaaa-7613-849b-33e7ae9fdc99 · 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-2026-000085356
StatusPUBLIC

Content hashes

Canonical text18f9cc4770905d907f3c1d464a7c41bc53088c222ac74fedb21dbf6469edce2a
Markdownf4aeefce2bccd038136bd8cb91fa0e1d067cad5da6929650534201b5a06d1261
PDF
Publication pagec6636ec440631194ccd7825fc75f1ef2f5aed641111c540e171746839ce325ef
Manifest8320545791b0cb7d5705777a8e9ed64ed717cb93e718ead1173a86dacc57aa0d

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
SignaturegEicedSXYitNxlmGJhKJaxtzEKkMRf62/k507JmoQtynRLvdXJPVbvaAhedEFinP2gJitQASbLnuTS9Nl3I9Aw==
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

2026-09-17T09:54:05.272469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085356
observed c6636ec440631194ccd7825fc75f1ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:05.254429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085356/manifest.json
observed 8320545791b0cb7d5705777a8e9ed64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:05.234922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085356/publication.md
observed f4aeefce2bccd038136bd8cb91fa0e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:05.214133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085356/publication.txt
observed 18f9cc4770905d907f3c1d464a7c41bc...
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.