OpenTechnical

OT-2026-000065301

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000065301) never changes.

Identity and time

Publication numberOT-2026-000065301 · never reused
Internal UUID01a0ae8e-1dfa-721b-8769-b6e45d2259d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065301
StatusPUBLIC

Content hashes

Canonical texta219e483662f3b570fd73b551a44886d150b02a4b5e441d29e0808adc97591d9
Markdown2c066a2a605567f4040de2e97184540dc0031ae52afcba9beb48a9fca0eacea3
PDF
Publication paged6b9b0e8fe44ed6fdb915de32fc72fecae858118ee2ef14765ef1b5e2b143447
Manifestfce402b4c2ffe67feb23d9622034ddb87c792f0e1a6de539cebdaccb6ab3c64f

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
SignatureLKNeiS/GjtrTo8LTppKquKSjhujDqdv1hIUQU10jiqTZK/MWhZQOdMSpxHcMD49Ntkokr8/nI2AZRUhoIpdxCg==
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

2026-09-17T10:35:16.496165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065301
observed d6b9b0e8fe44ed6fdb915de32fc72fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.471090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065301/manifest.json
observed fce402b4c2ffe67feb23d9622034ddb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.453967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065301/publication.md
observed 2c066a2a605567f4040de2e97184540d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:16.428926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065301/publication.txt
observed a219e483662f3b570fd73b551a44886d...
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.