OpenTechnical

OT-2026-000100891

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000100891) never changes.

Identity and time

Publication numberOT-2026-000100891 · never reused
Internal UUID01a0aea3-c376-7895-ad47-659d30fa3172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100891
StatusPUBLIC

Content hashes

Canonical textf74a901a7b3653b5d973c3dc7020e57188f4152c4528ec289d04707cbbce3d52
Markdown6d25b218383cba9a9591f39596e44952d84946f0c534e621f214cffda10247ba
PDF
Publication page654e5d472131c3c4437b81ecc880f1985009afe28ba0a144b01db3fd25ea7499
Manifest47a253930f8c7f18cf385622f4dd1547bcdbe10ec22de9517bb46003a6dd1c8c

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
SignatureyxFn5Fk0LXYLwJh6J2BBoTOzS+Q2OiObN9tDbUrhauH1z4eNsEWuXxfLp16Kz6cqlLebuejaTTNDyDOl3YQ/Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:22.982807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100891
observed 654e5d472131c3c4437b81ecc880f198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.965872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100891/manifest.json
observed 47a253930f8c7f18cf385622f4dd1547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.949875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100891/publication.md
observed 6d25b218383cba9a9591f39596e44952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.930855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100891/publication.txt
observed f74a901a7b3653b5d973c3dc7020e571...
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.