OpenTechnical

OT-2026-000103633

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pulsed blow-off after 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-2026-000103633) never changes.

Identity and time

Publication numberOT-2026-000103633 · never reused
Internal UUID01a0aea4-e462-71bb-a5d8-0acdc94bcfb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103633
StatusPUBLIC

Content hashes

Canonical text06fc3c3d7887d45e82e68c9a044a70d24943230425362ea6553226bbe357b5dc
Markdownd3c14b508b68f26612434253a0b31c3f7068957852c6b243a3c1cfb794d1f7ea
PDF
Publication page733fd63a8425e9f8c8bb639bdb261c8db9fa30434525aacc365df9a4c274e2f0
Manifest881ceec61fab1bac76d133c65a4b1947e6c2cc4d2f13bbeedddcbf72285e0796

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
SignatureTJOMloFlooBLS5JmAawHsZ22sn7YCyW5gqio5DjhHMRVB/Rrq3O/tLFeHi8UHeGo7okjSs1n6TzlnN9y+nXWAA==
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

2026-09-17T09:22:25.724780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103633
observed 733fd63a8425e9f8c8bb639bdb261c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.705425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103633/manifest.json
observed 881ceec61fab1bac76d133c65a4b1947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.686704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103633/publication.md
observed d3c14b508b68f26612434253a0b31c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.671100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103633/publication.txt
observed 06fc3c3d7887d45e82e68c9a044a70d2...
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.