OpenTechnical

OT-2026-000069334

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069334) never changes.

Identity and time

Publication numberOT-2026-000069334 · never reused
Internal UUID01a0ae90-b529-7222-8363-2fbe09adfe7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069334
StatusPUBLIC

Content hashes

Canonical text7852b94ce92ba237e804da05196d415d54a71fa6ff7af796eefbf2187f3ec532
Markdownfd5e9117600631a5e03f84fe05870b9bc0591425381b3d261ee019bb6efb85c3
PDF
Publication pageb700388b853a32221c5d1acd5a154832b4838629e38080032a41fb44b023409f
Manifestc1abfd46da0cfdbec212e0888b9c3701af449333c36135d1dc78541d272dab83

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
Signature54jMw0kQ3pJ1ATNxkgxG3sk1/I1LRYZkIC9f2xl6CnONulwtpfTeGNUOcWRK3z6cPfIfTALrQSryrlenvr2pDQ==
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

2026-09-17T10:30:06.770817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334
observed b700388b853a32221c5d1acd5a154832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.749718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/manifest.json
observed c1abfd46da0cfdbec212e0888b9c3701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.730944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/publication.md
observed fd5e9117600631a5e03f84fe05870b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.708415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/publication.txt
observed 7852b94ce92ba237e804da05196d415d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.861006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334
observed b700388b853a32221c5d1acd5a154832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.844282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/manifest.json
observed c1abfd46da0cfdbec212e0888b9c3701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.825321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/publication.md
observed fd5e9117600631a5e03f84fe05870b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:54.805327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069334/publication.txt
observed 7852b94ce92ba237e804da05196d415d...
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.