OpenTechnical

OT-2026-000046544

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000046544) never changes.

Identity and time

Publication numberOT-2026-000046544 · never reused
Internal UUID01a0ae7e-57dd-7dbe-9f5f-ec1dab89f426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046544
StatusPUBLIC

Content hashes

Canonical text4300dc499ec6750f428fcd76b46cfa5ec6fcd502b7226c7ee67473855e034849
Markdownfdfc67331645de520328305f0ecdd1598fc4dc7f1dc22bcddcff677e1aabe084
PDF
Publication page344041726f84925a3e3661a7b303eb8e404dad8df567166295af1b6df5c9db7f
Manifest47d5cef64175a12a0f130bae69d351005b1f6309a988718a8998e3e656402997

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
SignaturemI+CGa6GS+f6K2MBFDwYc5vBVVtuLzWQaspm8IgNkSynzWg17kcoQPnx2AtcQhUhVE0eJ33gE0a3L9y59unoBA==
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

2026-09-17T11:08:36.079109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046544
observed 344041726f84925a3e3661a7b303eb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.062082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046544/manifest.json
observed 47d5cef64175a12a0f130bae69d35100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.044965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046544/publication.md
observed fdfc67331645de520328305f0ecdd159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.027420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046544/publication.txt
observed 4300dc499ec6750f428fcd76b46cfa5e...
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.