OpenTechnical

OT-2026-000064859

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000064859) never changes.

Identity and time

Publication numberOT-2026-000064859 · never reused
Internal UUID01a0ae8d-debc-7de5-99e4-802f558502cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064859
StatusPUBLIC

Content hashes

Canonical text25afc4f0f2fb51a07d53c8b8311ed20d98a04353d73125bb8d00100652abebc2
Markdown6b0061dc979b493c76b4f7c8e5b267d0ff9cd926b4fc9c108fad21dce1530941
PDF
Publication paged958c328149b8b635e454d29ed3d75771093657dba2f2203a6e9556974eb14e6
Manifest02cac1c9554a4f763409ff7c869acb5e1fbb68f03f7c845f21b4edb99f06ec82

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
Signature6dxSq2Ph86pe1sAma0qgpi7/eXRygCEwsOxwsBLQFqDnMGnAOrDoHNbVOlLoUzxQm9Y9ojh6Q+4og5mwUET2BQ==
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

2026-09-17T10:35:46.591749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064859
observed d958c328149b8b635e454d29ed3d7577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.565570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064859/manifest.json
observed 02cac1c9554a4f763409ff7c869acb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.546528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064859/publication.md
observed 6b0061dc979b493c76b4f7c8e5b267d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:46.527641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064859/publication.txt
observed 25afc4f0f2fb51a07d53c8b8311ed20d...
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.