OpenTechnical

OT-2026-000033979

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000033979) never changes.

Identity and time

Publication numberOT-2026-000033979 · never reused
Internal UUID01a0ae75-df0b-7e61-aae6-1b3322d76990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033979
StatusPUBLIC

Content hashes

Canonical text5f0b2e93a8c01180e6c0317234b9cdd942ca855bda3d58ce0e30156e7728685d
Markdowne623fd9a53532b826233f14db1b67bb7428298abdc5bf6eb53cb4c69fad35a88
PDF
Publication pagec0dad8a81b57ccfbf4b6868f168429f1c34f42fcc8d6fc6b1af0d48128b8913e
Manifesteeabbe10c972041dfc0d46fb59b76987d937a64ad7a9e7e650ee7d2d99ca5a36

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
SignaturepqR9P9+6UHO5nXsHNw/cZcBc2S/keKlpKv9I5FxN7UjArSNw9YPWpLnnzRaJAuRS92QFFa9D77dg66+nCD9dDQ==
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

2026-09-17T11:30:06.838140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033979
observed c0dad8a81b57ccfbf4b6868f168429f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.816958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033979/manifest.json
observed eeabbe10c972041dfc0d46fb59b76987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.796897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033979/publication.md
observed e623fd9a53532b826233f14db1b67bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.776592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033979/publication.txt
observed 5f0b2e93a8c01180e6c0317234b9cdd9...
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.