OpenTechnical

OT-2026-000085951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000085951) never changes.

Identity and time

Publication numberOT-2026-000085951 · never reused
Internal UUID01a0ae99-e82a-761a-9945-97251ee4e76e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085951
StatusPUBLIC

Content hashes

Canonical text4ea707355e4da2b11caed7f3302427504d95030889f6213405d260f84cd149a2
Markdown6ad212b8960be699e7c3f6363cfac45ecb6026faaf90ddd056fdf9fec98642f7
PDF
Publication paged0178db7786b8ddcf1b74f9924e11c078b5f9587cd2b9b99f877a52f37dc4e78
Manifest0c96cc0e6e47c9c3ca17a7884dbdcb76953ae8978c854b4ed62fb856d80d8e1d

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
Signature4V+qGzNRpiPGI7m24uzPZD8w2DUwuWE1j9b+VmbUY9J+dTWD8X8ZjX/a/BnWkwpAfz34v6LG37HNHpQGgypYBQ==
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

2026-09-17T09:52:54.670976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085951
observed d0178db7786b8ddcf1b74f9924e11c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.654561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085951/manifest.json
observed 0c96cc0e6e47c9c3ca17a7884dbdcb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.636781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085951/publication.md
observed 6ad212b8960be699e7c3f6363cfac45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.592718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085951/publication.txt
observed 4ea707355e4da2b11caed7f330242750...
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.