OpenTechnical

OT-2026-000062237

Publication integrity record

Two cup vacuum gripper, two 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-2026-000062237) never changes.

Identity and time

Publication numberOT-2026-000062237 · never reused
Internal UUID01a0ae8c-0abd-7fe6-9df3-475bebbe26de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062237
StatusPUBLIC

Content hashes

Canonical text472ca3d3f67d9708d864b7f8bf46f00a7bbaeb00c9575ae911e6361406a9b5a0
Markdown4a6e5f6cc4a6e1057c190f051d59381abb595270533054d70d0f1b34c7b1bd02
PDF
Publication pagefcacdd79abbcee8527fc49f8638992a4b2b2f7d501a0a35afcdb0f94eb92fbf5
Manifest0e934137349b8d5bc8d1a019caca9b00f41f38cfc6c6d7b879a0820b9f511b92

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
SignatureNafyki3cGL0nwfhRrHZK/RQcz23IL76I1i3JW8ca0/wJNOaqs3YWp0fJIU8A+ShCaODVe5tqHGh5E5MdOx2YAg==
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

2026-09-17T10:39:30.722604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062237
observed fcacdd79abbcee8527fc49f8638992a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.705424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062237/manifest.json
observed 0e934137349b8d5bc8d1a019caca9b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.688398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062237/publication.md
observed 4a6e5f6cc4a6e1057c190f051d59381a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.671868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062237/publication.txt
observed 472ca3d3f67d9708d864b7f8bf46f00a...
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.