OpenTechnical

OT-2026-000078933

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078933) never changes.

Identity and time

Publication numberOT-2026-000078933 · never reused
Internal UUID01a0ae95-ccbe-7939-acda-5e4793851802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078933
StatusPUBLIC

Content hashes

Canonical text4a4aae44f4b7fb6f85527a3b50b603375067f994dbd1638413e179c1fa0cfda4
Markdown3e01a013ba2896aeb1b6f5e743d54290f336c47ebdb527214590c2f7273923f7
PDF
Publication pagec9b7402775e567f4c457cb91d78257c6c3b79e1f9df1deb9f16c619431c7942e
Manifestca6148b1b524102fdc1cc153a8d3feec921a99e971ab28feb02b5b571a416277

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
Signature65mCuBcdn8S7m3438AhN5wtevvxAGsREd8wdOud9tXA4MUSBUFYzm0Wj87+/z+m0f7V8AaXpq6YF3ius0mnRAQ==
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

2026-09-17T10:05:45.430954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078933
observed c9b7402775e567f4c457cb91d78257c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.413585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078933/manifest.json
observed ca6148b1b524102fdc1cc153a8d3feec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.395981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078933/publication.md
observed 3e01a013ba2896aeb1b6f5e743d54290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.377440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078933/publication.txt
observed 4a4aae44f4b7fb6f85527a3b50b60337...
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.