OpenTechnical

OT-2026-000076189

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000076189) never changes.

Identity and time

Publication numberOT-2026-000076189 · never reused
Internal UUID01a0ae94-6a6f-77ba-bedb-46818028127e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076189
StatusPUBLIC

Content hashes

Canonical textc00d14e355672392aa7935b13e83fa5d510f01304306ab8301a5810b68e40d5e
Markdown0efec4dbcb99a8aed9e4aff3fa1822e59c785c76581c4e06a0b53d412e93705f
PDF
Publication page9d81a4369b5b5a5bb3cfaab146c199aac1a1267c8360bc046590715d6322c92f
Manifest1df9cff96d229d36e211f7fee284f0e81219987b5b1c857143750688e019f810

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
SignatureXhcHLzg3EkMTtXYLD1K1+06IM02WMJvHCi17+jBvmsVJSefldcsTUFBWxgPPzRaCCU8IMm3aYAcZ61Vc0FQnAQ==
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

2026-09-17T10:11:30.227929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076189
observed 9d81a4369b5b5a5bb3cfaab146c199aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.205531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076189/manifest.json
observed 1df9cff96d229d36e211f7fee284f0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.061802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076189/publication.md
observed 0efec4dbcb99a8aed9e4aff3fa1822e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.045238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076189/publication.txt
observed c00d14e355672392aa7935b13e83fa5d...
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.