OpenTechnical

OT-2026-000060441

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000060441) never changes.

Identity and time

Publication numberOT-2026-000060441 · never reused
Internal UUID01a0ae8a-b7cb-7e80-a3fd-89f3963280e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060441
StatusPUBLIC

Content hashes

Canonical text7998559bfb2502820c88bc9fd07e95baf97f866bd6e5b9f1ba1e2e4119e1aaf3
Markdownc07381371b88f20a73a3e9b3557fee24ad5684e4e12bf3f4b33903e2ac6713af
PDF
Publication pagebee056a2e25d1a5c35f0acae2c2bc30c41a465a1a571adc1c0714e8267e00343
Manifest371e26b1edec72c2d5530d91775c301c428f594e630690e97a41845570bd0ccb

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
SignatureuGqW+Ne0VUeuuZeiMKqnzFTa6D7v79rVZiewdDEV9T8DkqWA4Tyx5FK5WT1cJO0jei2mYY/cMlkUCGQbCZb7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:55.289661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060441
observed bee056a2e25d1a5c35f0acae2c2bc30c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.272804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060441/manifest.json
observed 371e26b1edec72c2d5530d91775c301c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.254509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060441/publication.md
observed c07381371b88f20a73a3e9b3557fee24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:55.236303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060441/publication.txt
observed 7998559bfb2502820c88bc9fd07e95ba...
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.