OpenTechnical

OT-2026-000080447

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000080447) never changes.

Identity and time

Publication numberOT-2026-000080447 · never reused
Internal UUID01a0ae96-7e78-730a-a7fd-d71fe3c3c634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080447
StatusPUBLIC

Content hashes

Canonical text88c83ab483284bd05640f2b701392aa10245cafb38a9f8f355ea88814b9cd0cb
Markdown5d6c1b382996e02e88c94246bcbe996da3c2f42457a40e029dda61d88d54c601
PDF
Publication pagef37bc755b7e1c3d63f24e01e1c2c1356ff450ec8c421ffe0484bd93261144b3f
Manifest4461e453b1b099537beb5ecc9a67f912fcd3f4494c310a8384a94db423057c5d

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
SignatureMwhgGcgC2ZOiSvd1rxJb3srF+J5+dCNS+kZElhjKyzxm5pbdaACIALbTScZHABWe/Y0gfiifjWNMmsg7SS46Dw==
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

2026-09-17T10:02:57.808243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080447
observed f37bc755b7e1c3d63f24e01e1c2c1356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.787387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080447/manifest.json
observed 4461e453b1b099537beb5ecc9a67f912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.769889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080447/publication.md
observed 5d6c1b382996e02e88c94246bcbe996d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.750690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080447/publication.txt
observed 88c83ab483284bd05640f2b701392aa1...
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.