OpenTechnical

OT-2026-000090386

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000090386) never changes.

Identity and time

Publication numberOT-2026-000090386 · never reused
Internal UUID01a0ae9c-7f2d-7650-9a97-e2828567de88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090386
StatusPUBLIC

Content hashes

Canonical textb9be3059c244ed5be22322d9477d85c6558f40ea80b1b96cb36de0076771a0c3
Markdown694f4174271c34bc1719c1731d24f304b86e92b1cd7395014ebe9eb18af686ba
PDF
Publication paged9bf9a3d6d172449ded4fc0e51589add692595387c2807792b03ab125e99e831
Manifestdee954025f70d2d1f96342ffc772786da8fb8b58090259cb1ee5b178eb96d727

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
SignatureKNuBW3vR6JkY54PqUZLAkbNO5wDCg+ss00VPphGzBZ8PQ3Q3HUhSPQPXVAtnGP5BIwqZ9ifBkNWnTxSJLbabCQ==
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

2026-09-17T09:44:29.593527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090386
observed d9bf9a3d6d172449ded4fc0e51589add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.573879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090386/manifest.json
observed dee954025f70d2d1f96342ffc772786d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.554121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090386/publication.md
observed 694f4174271c34bc1719c1731d24f304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.536410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090386/publication.txt
observed b9be3059c244ed5be22322d9477d85c6...
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.