OpenTechnical

OT-2026-000068617

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068617) never changes.

Identity and time

Publication numberOT-2026-000068617 · never reused
Internal UUID01a0ae90-2482-7fb1-a7e0-10b9b8077b90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068617
StatusPUBLIC

Content hashes

Canonical textbf46f32e2353250c76a29cb2fbecae7e6786876d93a48f463c3ef23a745b3ad5
Markdown90ae71392ff8829fa6ad8d31453ba4eb6383276eec95ed5350c73b71621165f5
PDF
Publication page9ee72a446ba3594265140b54cf16ce103e36ab01712e74599cba10666c8aa9e1
Manifestb88866c6a13a363af3471ea3d0833eb1b2c29dab6526afcba1e5263a8320f289

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
SignatureF+4zx4vJDU9K1WVwqWVVQ1HNvfTaGc8OzG6Rva6+EZLbZUd/7hx1KfQc7+lAWZUrtVMwRNpsdb9VpOCGVf7ZDw==
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

2026-09-17T10:29:48.115355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068617
observed 9ee72a446ba3594265140b54cf16ce10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.098126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068617/manifest.json
observed b88866c6a13a363af3471ea3d0833eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.078360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068617/publication.md
observed 90ae71392ff8829fa6ad8d31453ba4eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:48.059863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068617/publication.txt
observed bf46f32e2353250c76a29cb2fbecae7e...
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.