OpenTechnical

OT-2026-000078597

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000078597) never changes.

Identity and time

Publication numberOT-2026-000078597 · never reused
Internal UUID01a0ae95-7c29-76a4-b2b8-ce514e6118b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078597
StatusPUBLIC

Content hashes

Canonical texta4f52f01af3ebb4d4170a217e0aa216bb9298dc5953c5c62576e21e145946cd3
Markdown7b516ec49f996e26228eaeb028d6dba86a68d4981aaa3892a49f0899b0f4fca5
PDF
Publication page47cbeff0e15ae0eab8e884bd4b0fa4e0c9154ba1b2044feb60034f218ac32df5
Manifest7af6859b2135e822cb893af80284c32c881f7b7545baa5d8723a841205004666

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
SignatureTztj5JXBWRr/3eTHwAyRemCUAcxtfaFvoTFc5uVrUvmnJRrQfEHlfMjSP/hbq4iio3iyserUSg4C6ZagJYExDg==
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

2026-09-17T10:06:37.668674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078597
observed 47cbeff0e15ae0eab8e884bd4b0fa4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.650111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078597/manifest.json
observed 7af6859b2135e822cb893af80284c32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.632377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078597/publication.md
observed 7b516ec49f996e26228eaeb028d6dba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.613553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078597/publication.txt
observed a4f52f01af3ebb4d4170a217e0aa216b...
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.