OpenTechnical

OT-2026-000091593

Publication integrity record

Three bellows 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-2026-000091593) never changes.

Identity and time

Publication numberOT-2026-000091593 · never reused
Internal UUID01a0ae9d-43b8-79a3-8eec-3274c282802c · 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-2026-000091593
StatusPUBLIC

Content hashes

Canonical text5d24afe09c837a5ba4b72a1e8e7bfa96dc8c983603a8878198caaa937f4a405e
Markdownb31b9e4436c6681933f39986d33964a2cef4ccfa69e686b806592661787291dc
PDF
Publication paged701f943dac2659d3a4e8a7cd7c0477da48ff3232dbbf12f24fa12a2bfc433d7
Manifest4f0db7f70e0bb963820239808a49b7fd1a48581f2eaa8c21f636064401e4ba06

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
Signaturej4huUADW3jXFVX1zn7Z+9guznyOZ1sYerwSpVlZTMRcZHjcO2LNR8Hd/jkK5Rh4W3GekJ7a+HD6KtojvgsYADQ==
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

2026-09-17T09:41:56.669686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091593
observed d701f943dac2659d3a4e8a7cd7c0477d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.652649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091593/manifest.json
observed 4f0db7f70e0bb963820239808a49b7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.635531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091593/publication.md
observed b31b9e4436c6681933f39986d33964a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:56.618258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091593/publication.txt
observed 5d24afe09c837a5ba4b72a1e8e7bfa96...
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.