OpenTechnical

OT-2026-000056496

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000056496) never changes.

Identity and time

Publication numberOT-2026-000056496 · never reused
Internal UUID01a0ae87-7af4-7ec2-a17e-4ba2cf2a4ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056496
StatusPUBLIC

Content hashes

Canonical text0e225c81d94a26abbb73324e4b53021300a1cee29e5d176d6afc246ac9245049
Markdown022922e11e3006cc2f157136a69dda36d3257f03647be69d95c3940c2d7aaf6c
PDF
Publication pagee4f4100cc70a5706c741c8b898b87a0a34c9ff42e8e96f59b6c743edd370cfdd
Manifest31ecbdde0c866e43a75677948a3e60aa8e7e407d6724a9a436f08c6f591818a0

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
Signature4cw5s3dATNhnWmUMh3GQEd7S8E59eIK6PdUbDs9lE8LoypJhukoHIyyRoWmTF+oqdhcOzGJ5hi4FjBGxFmUvCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:48.821861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056496
observed e4f4100cc70a5706c741c8b898b87a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.803609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056496/manifest.json
observed 31ecbdde0c866e43a75677948a3e60aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.783357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056496/publication.md
observed 022922e11e3006cc2f157136a69dda36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.766432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056496/publication.txt
observed 0e225c81d94a26abbb73324e4b530213...
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.