OpenTechnical

OT-2026-000059697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000059697) never changes.

Identity and time

Publication numberOT-2026-000059697 · never reused
Internal UUID01a0ae89-ec24-7c47-8527-6e09a0427585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059697
StatusPUBLIC

Content hashes

Canonical text2cd7ee537be3db6ee2165409deeac37a45840276d7f63c5dd51b54eeb0ebc35f
Markdown14acc18cfabfc40a3fb76425ff82446f50ffa7c940659832b7002a7b5f8257ff
PDF
Publication page9dd83a916918e1cef9f98284283fb2c8b089c000c81e4d22e294af4d6c5dc4ce
Manifestce379c915442047670e079821b633a57c72ccf17cc4f71e79337c30f360186b9

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+6zTajZ1wKo9q1+PINNupvT6uuUph2Y7KoE1h86QeBuf04K4VS0ymDMDz4r6KqOILM4mStSh2iKG7JwmDJQVBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:24.358172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059697
observed 9dd83a916918e1cef9f98284283fb2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.339920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059697/manifest.json
observed ce379c915442047670e079821b633a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.320976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059697/publication.md
observed 14acc18cfabfc40a3fb76425ff82446f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.300087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059697/publication.txt
observed 2cd7ee537be3db6ee2165409deeac37a...
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.