OpenTechnical

OT-2026-000084097

Publication integrity record

Four bellows cup 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-2026-000084097) never changes.

Identity and time

Publication numberOT-2026-000084097 · never reused
Internal UUID01a0ae98-5b5e-77b9-9758-1c95dec7e967 · 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-2026-000084097
StatusPUBLIC

Content hashes

Canonical text6a89599d7d46c3f6d3b5df39f4b097332381dd9c7dd4556bd06f69e33648738b
Markdown781035f42a488bef7ab243508a831eecf948588c03c6b2c34c50b5fa7f937e4d
PDF
Publication pagef96ad4895233d5240b251eb1e80bc1724d8bac6458a5508a6ee2157cc01b7b48
Manifestdbcadf9399d293ea2d5c003f77b033dd34dc4464af1d079f02137a46585bfd24

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
Signature/9Hu9uctcfvHdXuLmSYVrgMqjsjCtzT/jUvWfbDqFUJtVs43I98302Cv1E+3SjlximV5jOtdyrOBW+Exaz8ACQ==
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

2026-09-17T09:55:50.742099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084097
observed f96ad4895233d5240b251eb1e80bc172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.725850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084097/manifest.json
observed dbcadf9399d293ea2d5c003f77b033dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.707495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084097/publication.md
observed 781035f42a488bef7ab243508a831eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.690458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084097/publication.txt
observed 6a89599d7d46c3f6d3b5df39f4b09733...
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.