OpenTechnical

OT-2026-000062177

Publication integrity record

Single cup vacuum gripper, single 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-2026-000062177) never changes.

Identity and time

Publication numberOT-2026-000062177 · never reused
Internal UUID01a0ae8c-0abd-7f49-b3a6-58cd4f8de386 · 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-2026-000062177
StatusPUBLIC

Content hashes

Canonical text091eb942e890d57f072bedd14b9a0cc81ef582532a52ad83f4cae50d9a897935
Markdown6ed53747aaae82ace49cefa27e20c811e1df93a1180c7f17f8ecf42e799d36b2
PDF
Publication page432e21bc86e6e73111ffd1ea91be202d90d8d707f89f82095af34e8265f47d28
Manifest098e1907086a9737b3175077925213623d250a8adac1371454b235f3fb4ad9d5

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
SignatureR89VV15b7Gr4p3JVBv9r8Mkq5vrrlTMK/c30LLYdC/K/zLmcvodzG2noE7MFP9gdtl3vh+N0F1iuCI6nHJ3cDw==
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

2026-09-17T10:39:26.038659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062177
observed 432e21bc86e6e73111ffd1ea91be202d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:26.019624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062177/manifest.json
observed 098e1907086a9737b317507792521362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.998129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062177/publication.md
observed 6ed53747aaae82ace49cefa27e20c811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.979394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062177/publication.txt
observed 091eb942e890d57f072bedd14b9a0cc8...
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.