OpenTechnical

OT-2026-000091611

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091611) never changes.

Identity and time

Publication numberOT-2026-000091611 · never reused
Internal UUID01a0ae9d-43b8-7bdc-a5cc-15919fb37796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091611
StatusPUBLIC

Content hashes

Canonical text49757846d4220b4cc3da7bd1d658e411fe7df320cd1173be62d73ad8707b48b6
Markdown3e9461a90d4fdabf0f524ea700f0e04014040eb88039b9b4e5159d077d260033
PDF
Publication page371063d08557bd0cce659354a7d5f2828cc6d223da6ac2e85005bf3ce19cfa62
Manifestf46c73f1507dc7bcd0e320c4119d5b7928a46a535136c5ca6120603958ac209b

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
Signature5uiZbwrhTqQTN9t08cmCjvUeDH+JFw21h5gUzVoeLfy4+cznvO237SeU916TH4vcWNScQZ6zKdtXUg2c9G5DCg==
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

2026-09-17T16:43:26.214255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611
observed 371063d08557bd0cce659354a7d5f282...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:26.048750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/manifest.json
observed f46c73f1507dc7bcd0e320c4119d5b79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:25.755645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/publication.md
observed 3e9461a90d4fdabf0f524ea700f0e040...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:25.490900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/publication.txt
observed 49757846d4220b4cc3da7bd1d658e411...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.995825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611
observed 371063d08557bd0cce659354a7d5f282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.976002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/manifest.json
observed f46c73f1507dc7bcd0e320c4119d5b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.956796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/publication.md
observed 3e9461a90d4fdabf0f524ea700f0e040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.938169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091611/publication.txt
observed 49757846d4220b4cc3da7bd1d658e411...
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.