OpenTechnical

OT-2026-000005965

Publication integrity record

Vacuum cup gripper, two stage ejector, contact triggered, pulsed blow off after set down

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-2026-000005965) never changes.

Identity and time

Publication numberOT-2026-000005965 · never reused
Internal UUID01a0a94a-b114-76c4-a312-8e045858a2cd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:19.639884Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005965
StatusPUBLIC

Content hashes

Canonical text2ed2520bfee38918fdbb17162ec707db70e5bd20ec3bb4fa9615bba4c957eafc
Markdown0937caa2a871c6faa55e2e5e06f51fe4bdfcd0e730408e9e169e7541825f3adb
PDF
Publication page5bb39cef240dbfe39e1815a5cb1d286c986272fb92c2172556d98868de5d441d
Manifest5bbe09d742c3056cfe94a09321143c39bf7aa9a0371b94478dcad0bebf9a15fb

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
Signatureyb+JHLv5imOCgP2xmfwFoK54BrCwBxO0Z5qL9QoBr35Q66I5DbvMCewAj6Vk8NwI5sksaUKlQS/I1amctF0vCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:11.903673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005965
observed 5bb39cef240dbfe39e1815a5cb1d286c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.888425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005965/manifest.json
observed 5bbe09d742c3056cfe94a09321143c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.873462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005965/publication.md
observed 0937caa2a871c6faa55e2e5e06f51fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:11.733863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005965/publication.txt
observed 2ed2520bfee38918fdbb17162ec707db...
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.