OpenTechnical

OT-2026-000099902

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000099902) never changes.

Identity and time

Publication numberOT-2026-000099902 · never reused
Internal UUID01a0aea3-1473-7bd1-af92-8dc5e226ea5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099902
StatusPUBLIC

Content hashes

Canonical text556b159035df44ee08d1cc103281c57f2e77e2e8155749980af7e2c1fec5d765
Markdown4c8fd01eb6aefd77897306813ffaef0ae5deec621aef0552b16e087d34c066af
PDF
Publication page5e53d3f1e38c61288b46579115236c4ada53f5725287d9dfded10affa20a75ec
Manifestece511d3911c6ce74cc51c562b1da522d9e5520ed219b5967ed844f744beb788

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
Signature7TC03bXrzlsHm28C22tXd4186G8Mzni/Bw6DQyMtCSsm8cM2IwFNs9Osc/H4mB7oNM1I+4CY2eQsCpPp4sFyDA==
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

2026-09-17T09:30:32.355815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902
observed 5e53d3f1e38c61288b46579115236c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.337505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/manifest.json
observed ece511d3911c6ce74cc51c562b1da522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.317274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/publication.md
observed 4c8fd01eb6aefd77897306813ffaef0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.300110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/publication.txt
observed 556b159035df44ee08d1cc103281c57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.041812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902
observed 5e53d3f1e38c61288b46579115236c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.021159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/manifest.json
observed ece511d3911c6ce74cc51c562b1da522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.002040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/publication.md
observed 4c8fd01eb6aefd77897306813ffaef0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:47.984461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099902/publication.txt
observed 556b159035df44ee08d1cc103281c57f...
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.