OpenTechnical

OT-2026-000083682

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083682) never changes.

Identity and time

Publication numberOT-2026-000083682 · never reused
Internal UUID01a0ae98-0416-765e-9bbd-94ab2ae805ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083682
StatusPUBLIC

Content hashes

Canonical text7d18b6db7b4e7334596de16df56f51c18ecc6cf180e1f8de8f5da966b2c43833
Markdownc3df040949fc98583876057456147f6ef18950cc70aa0956994690a7d3958edd
PDF
Publication pagecaef4f56b96573d50a39f733c9e1d8047558db7d9744b664c7dc435d58f55122
Manifest75b090859223b03352d7f01be2fd1de1e856e9fa5fa261ddbbb1465ca410c13d

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
Signature6VCd1ZDlFbWUnNJoxA4TS2QnxMm4oeTJpdVprPNY2QNhlXoDDeJYbvISU3ccZ0ALb0/rQwkErkhuU7HglS8KCA==
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

2026-09-17T09:57:18.410953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083682
observed caef4f56b96573d50a39f733c9e1d804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.393546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083682/manifest.json
observed 75b090859223b03352d7f01be2fd1de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.377013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083682/publication.md
observed c3df040949fc98583876057456147f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.360388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083682/publication.txt
observed 7d18b6db7b4e7334596de16df56f51c1...
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.