OpenTechnical

OT-2026-000018343

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018343) never changes.

Identity and time

Publication numberOT-2026-000018343 · never reused
Internal UUID01a0ae6e-b489-7acd-83d7-23750d6abe47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018343
StatusPUBLIC

Content hashes

Canonical text9568bcd3bddde65889789f240df47832a530b3c8680b804250949eddcd793c2e
Markdownca2e26970e73c155b20a1f182903f972f2fd3d76c24db1d24fda3a7465d3b6d8
PDF
Publication page4c5b9c0866d50fde1294175592cd9446213931acd6e02f7bf3c9faaa703d5005
Manifeste2a0b322735d505632c416f4a2086adf2dde5b2f574e140b91f740d1c16edf87

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
SignatureMh+nX/zU8XDVZtTslpQcMuT0AF7ZBKShlJCXtetHKaTEigALUkF7kb6tIvekgmYfmyS54a0cVHOpQqzzmwSZDQ==
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

2026-09-17T12:01:04.753387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018343
observed 4c5b9c0866d50fde1294175592cd9446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.736721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018343/manifest.json
observed e2a0b322735d505632c416f4a2086adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.720398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018343/publication.md
observed ca2e26970e73c155b20a1f182903f972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.703827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018343/publication.txt
observed 9568bcd3bddde65889789f240df47832...
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.