OpenTechnical

OT-2026-000088647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088647) never changes.

Identity and time

Publication numberOT-2026-000088647 · never reused
Internal UUID01a0ae9b-8f0f-7290-afd7-b3013ba76458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088647
StatusPUBLIC

Content hashes

Canonical text1092b21825e8afc0eccc4484ba364ab9f631f82ecef6c3ed02f6b8f9c54c4c1d
Markdownfdc1bf6445d0359dc7702ea69c3caf14e7c7d3b8004abd6d2ba9bdae3be73293
PDF
Publication page7dcc4df69f1c143079f96792c1057d9ad8b494014f01c2291db239d0b76cb58f
Manifest62e0633eb7c87019605ad013d463487a70eea57556c98f4b9157908b96794d75

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
SignatureP99rRyYhutR2pQdHWCzw1FNgQsaw/JnRLQ+Zw14vP229W5wai2osVN5DNXFbbAN5tZq+diwd5MdoTK/0MS+nBg==
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

2026-09-17T09:47:51.936856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088647
observed 7dcc4df69f1c143079f96792c1057d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.911311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088647/manifest.json
observed 62e0633eb7c87019605ad013d463487a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.886835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088647/publication.md
observed fdc1bf6445d0359dc7702ea69c3caf14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:51.862990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088647/publication.txt
observed 1092b21825e8afc0eccc4484ba364ab9...
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.