OpenTechnical

OT-2026-000027903

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed 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-2026-000027903) never changes.

Identity and time

Publication numberOT-2026-000027903 · never reused
Internal UUID01a0ae72-a4a5-760b-a4c0-786a555e7502 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027903
StatusPUBLIC

Content hashes

Canonical texte6d9e1599d24e3c015edc86472a41c487e9da75eea6bfc8d21b860786299dd4c
Markdown7acf477c06f22baef50ef3cdd93693e1aff8c3f8b4199728991b1b287b61d6be
PDF
Publication page925afb258b79dff419526999db9dddd78f0e3cb3164264453c70a3dddd70e070
Manifesta60d033b622585b5ff01a19bae1fc7e202848e5c74bdf413e4bb862ccfcc01ee

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
SignatureG2XwxeflDtEnjiL2oVlZBt2n4DFOZ7pMdIQoQZaJUNDe79b7b2LYR4DWXohBT9vovAARwEoYJDq1FvDFnAJACQ==
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

2026-09-17T11:42:04.291449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027903
observed 925afb258b79dff419526999db9dddd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.274250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027903/manifest.json
observed a60d033b622585b5ff01a19bae1fc7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.255282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027903/publication.md
observed 7acf477c06f22baef50ef3cdd93693e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.237132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027903/publication.txt
observed e6d9e1599d24e3c015edc86472a41c48...
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.