OpenTechnical

OT-2026-000012285

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000012285) never changes.

Identity and time

Publication numberOT-2026-000012285 · never reused
Internal UUID01a0ae6d-39f5-710a-952e-5ce02a5710c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012285
StatusPUBLIC

Content hashes

Canonical text2c01feeab24a630b5343ae75cecdc5668c113f85826fed88dd1bd9971b59cbe4
Markdown703346780acd90214fa027f01021a59e18b4471b074dc7cb1be070a1278806c2
PDF
Publication page7e8cdcdf2bb98e2c31cdd271fc8c9379c4c55e131da4c84eeb685ec43656052b
Manifest564c61afe98133637b4a86abc53a556a601f7f6aebd81809df341869a2b9360a

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
SignatureN4HY1Es+uW2FQ4H3SB6Od0GruIIkyy0T6McU21SVnKeHHa2oP/4eCfZhg01CrxlwH9KzDRwJZaXyC71iLoMZCA==
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

2026-09-17T12:11:13.504008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012285
observed 7e8cdcdf2bb98e2c31cdd271fc8c9379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.486914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012285/manifest.json
observed 564c61afe98133637b4a86abc53a556a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.469588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012285/publication.md
observed 703346780acd90214fa027f01021a59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.453309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012285/publication.txt
observed 2c01feeab24a630b5343ae75cecdc566...
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.