OpenTechnical

OT-2026-000090183

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000090183) never changes.

Identity and time

Publication numberOT-2026-000090183 · never reused
Internal UUID01a0ae9c-428f-7c85-9ee1-e57f851193d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090183
StatusPUBLIC

Content hashes

Canonical text2641700477d7f80be4cb80a958a83c941fb86c9745c1eb66d9ac1854d80ca709
Markdown013f8729b114590cdc1b7cf64052e2b1999a8986943834ca49818285fc1f3d3c
PDF
Publication page55a58cd6f4f3ec0b408aaa7f4466b6698aa1d32bcbb39bcc96ac50952266c572
Manifest2bdf5b83ba0250bbf1258e2d3a3e2279610cdfd62d1d197251ce9eb7ebb8915a

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
SignatureCMGzLM9gTVTZJ3myD81tBNalcvYooed8zIHSyIisKQfHv2WMm5jj+TnAiYx7Vg6IxpnARhUOqYHs83nGcAwnBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:15.016241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090183
observed 55a58cd6f4f3ec0b408aaa7f4466b669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.997872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090183/manifest.json
observed 2bdf5b83ba0250bbf1258e2d3a3e2279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.980189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090183/publication.md
observed 013f8729b114590cdc1b7cf64052e2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:14.961452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090183/publication.txt
observed 2641700477d7f80be4cb80a958a83c94...
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.