OpenTechnical

OT-2026-000081618

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000081618) never changes.

Identity and time

Publication numberOT-2026-000081618 · never reused
Internal UUID01a0ae97-0f72-76b2-938f-924683c4658c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081618
StatusPUBLIC

Content hashes

Canonical text2b74acbe6c88fc82f9bdb7e3c677231d35a3f9f9effd277444e739a7618c823b
Markdownfebc95589a27551dbbfa925297461a57ebbc545f97a453923eccb2ae812d04d5
PDF
Publication page91c75636b12c508bc0f7de139449b62bc2a29b4cce9deffd7efbd56c049790f5
Manifest7889d58c00cb2b5a67573821c328dddd1fc687ef0fe358fbf16fe982997946a2

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
SignatureHv9DF/I2XzJXP/flpVLWmQ9JtJ+jWP9osyrJr1Kd+X2tGPm9aH8yplJ9CtdetirP9FAu3j9DyximktyQELPhAA==
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

2026-09-17T09:59:39.646009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081618
observed 91c75636b12c508bc0f7de139449b62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.629666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081618/manifest.json
observed 7889d58c00cb2b5a67573821c328dddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.609927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081618/publication.md
observed febc95589a27551dbbfa925297461a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.586846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081618/publication.txt
observed 2b74acbe6c88fc82f9bdb7e3c677231d...
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.