OpenTechnical

OT-2026-000049585

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049585) never changes.

Identity and time

Publication numberOT-2026-000049585 · never reused
Internal UUID01a0ae81-8f7d-79c2-bf13-ae051e87f316 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049585
StatusPUBLIC

Content hashes

Canonical textb32c6054d8df1b2697a68b377a76a6f2b434099987870c85f4610fec48303851
Markdown9eb7aa4281034ee7a0b6ea1a6d63300dfad37948ebb76b4328641362213f86a1
PDF
Publication page19c437877b601e7c5183194af33d6a34642599adc1af49cebf55ca09fc60d766
Manifestdda7b7612e361b8216032ba49f96964a71f39cd79e49dfa182851637269e56a0

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
Signature3Jpb6jvrqDz6UeqPXvxdm6KGFFhd5RXX9VaqBV3ujgud4C54akIDoFQ/aBwvumRXW/LuBkM4wcdIkjlcsfv3Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:33.516117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049585
observed 19c437877b601e7c5183194af33d6a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.497391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049585/manifest.json
observed dda7b7612e361b8216032ba49f96964a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.477912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049585/publication.md
observed 9eb7aa4281034ee7a0b6ea1a6d63300d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.456922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049585/publication.txt
observed b32c6054d8df1b2697a68b377a76a6f2...
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.