OpenTechnical

OT-2026-000067129

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000067129) never changes.

Identity and time

Publication numberOT-2026-000067129 · never reused
Internal UUID01a0ae8f-14ff-7439-a6dc-299de24ae7a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067129
StatusPUBLIC

Content hashes

Canonical textff2bcc18b3bb067f750eb58bc7002338daf8aad5804056ec7a0cfe7ab553218e
Markdown43caaab3d2b4cead50e72089c2b07188b1c9e6e38f7ec4bd3a0445653d557f23
PDF
Publication pageeea47178e6b18b7d07ce53a20354459ecfce79ac650110aabeade211ef4467b2
Manifest22f483a038344cf2ab1be44dd14aca25b9f3435f17cf931ed60af411efe9b9d8

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
SignatureR4sni9n2uMcZmunohdh3CtENQ3/I6A2byhhEVWkZ0XGfCCu8mJW6iacmS/segR3OdlYetofTQjvT/P1FSpFkCQ==
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

2026-09-17T10:32:24.147359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067129
observed eea47178e6b18b7d07ce53a20354459e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.131149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067129/manifest.json
observed 22f483a038344cf2ab1be44dd14aca25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.113537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067129/publication.md
observed 43caaab3d2b4cead50e72089c2b07188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.096852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067129/publication.txt
observed ff2bcc18b3bb067f750eb58bc7002338...
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.