OpenTechnical

OT-2026-000058980

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000058980) never changes.

Identity and time

Publication numberOT-2026-000058980 · never reused
Internal UUID01a0ae89-47a0-7844-8d22-cfea656c48f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058980
StatusPUBLIC

Content hashes

Canonical textd4af82de4bb9c76ea3932fa81bc45a1367fb3f5679d74c167b6387132fcdb192
Markdown2fa096ad8246f134113e8530ad9c1bf3230e374be0a3517ef111f3b863850054
PDF
Publication page56f0644a06c16362dd288a6212e7bec012b0aa2c35a9f722edd911ee95789de3
Manifest8c8fc355ea01c624a873b0af4f9d4d5a682463e397ba784171ecfbd96fc34bb6

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
SignaturefdF4zR2Bhiv0WVA8TFPKHLKAHeImZnJfiRrczgYcRb1aYqMfEZYIVRATWJM7XL6+TVI5B0O3IfEjlXDtRhbZBQ==
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

2026-09-17T10:46:33.785644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058980
observed 56f0644a06c16362dd288a6212e7bec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.763070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058980/manifest.json
observed 8c8fc355ea01c624a873b0af4f9d4d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.744056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058980/publication.md
observed 2fa096ad8246f134113e8530ad9c1bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:33.723798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058980/publication.txt
observed d4af82de4bb9c76ea3932fa81bc45a13...
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.