OpenTechnical

OT-2026-000084950

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000084950) never changes.

Identity and time

Publication numberOT-2026-000084950 · never reused
Internal UUID01a0ae99-43b7-7884-a9eb-7fe382981548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084950
StatusPUBLIC

Content hashes

Canonical texta490196ad7ddd1949ea9096abb43b9a6a4a7a944fb082326a1518a996be15147
Markdown1fafc8a72a92a8b1377b9d274f899d18f9d1244ea71f3bbe72ce5e6503f60c53
PDF
Publication page1c11755c8ab4d87d47c7761907d3cfb641ac7682710420677bb6224595d0d823
Manifest4a8648ad494c5b07646a6bc89f88795f6e48ea6dbf710a208de7d1d3ae7934df

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
SignatureI2LnccY0AcVURpA+/Th4XKZaDk56Tc3Cd2fWQnhAYzmrtrJCksxiXZtHps7BHDRna0kukc+I+Z33HKOCdrNjDQ==
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

2026-09-17T09:54:56.528445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084950
observed 1c11755c8ab4d87d47c7761907d3cfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.512768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084950/manifest.json
observed 4a8648ad494c5b07646a6bc89f88795f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.495705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084950/publication.md
observed 1fafc8a72a92a8b1377b9d274f899d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:56.477519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084950/publication.txt
observed a490196ad7ddd1949ea9096abb43b9a6...
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.