OpenTechnical

OT-2026-000038228

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038228) never changes.

Identity and time

Publication numberOT-2026-000038228 · never reused
Internal UUID01a0ae78-2d51-7866-b625-368fbfa403c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038228
StatusPUBLIC

Content hashes

Canonical text958e6987595fc2fee0487a31478fd34fa55429fd7c340247b45af80075eeb2f4
Markdown6b96b591011d4b916180fa008ba2ac0046d506151a794ec848f02adfc5fa9d0d
PDF
Publication page56dc7d6e9bb2ed86ebc27c33a8806c165453fc2d7a277d236a64f39ed5ef452d
Manifest7232cc10fe874a1d611954f0f6692a9519a100056be69489e15b9ba4814a5e4b

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
SignatureVZXnTtZhCxKwR4jVlY8Idbc7vYNXrI0+N1oXhkFf15OdSBrI+vSdJEAZ/waE65ZwKxWrOJ3q1OqEdZYggxRlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:22:22.419334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038228
observed 56dc7d6e9bb2ed86ebc27c33a8806c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.400452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038228/manifest.json
observed 7232cc10fe874a1d611954f0f6692a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.381802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038228/publication.md
observed 6b96b591011d4b916180fa008ba2ac00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:22.363542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038228/publication.txt
observed 958e6987595fc2fee0487a31478fd34f...
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.