OpenTechnical

OT-2026-000084109

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000084109) never changes.

Identity and time

Publication numberOT-2026-000084109 · never reused
Internal UUID01a0ae98-5b5f-7251-bacf-e62f8ea2afd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084109
StatusPUBLIC

Content hashes

Canonical text92eb713371ac8465cb5434c38001b214247d246d7af0396f12873e9d92d276f7
Markdownaa6258c89b7037cbd434d3b203cacd52f2d4388de0dd572f95616cfaedc20604
PDF
Publication page47671c9fbe85944f618020205c5dfd103d5df8b73badf48115a62ea5602e62b5
Manifest97da164d729f295dda33d96f13a0f8c1b1d38206fa202cbb395c0d1b5ebcd962

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
SignaturesQZJEKJqq56JCPHPuVuqhlt3xg0jtADf52rmabjLaaCVmdasEHgZVMijG6fuEQ29WR1O+wKpIhLfxL7vx5W8DQ==
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

2026-09-17T09:55:51.940100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084109
observed 47671c9fbe85944f618020205c5dfd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.923770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084109/manifest.json
observed 97da164d729f295dda33d96f13a0f8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.908173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084109/publication.md
observed aa6258c89b7037cbd434d3b203cacd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.890747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084109/publication.txt
observed 92eb713371ac8465cb5434c38001b214...
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.