OpenTechnical

OT-2026-000070706

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000070706) never changes.

Identity and time

Publication numberOT-2026-000070706 · never reused
Internal UUID01a0ae91-8c2c-7550-bf47-6c84a6800eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070706
StatusPUBLIC

Content hashes

Canonical text007950017ec85e2bbb2a94566b55b63a3fd1c95886b999164e0e1e12dd864253
Markdownc9e29aadc1d0f73701cebbbdc9e6dce27f44f8e0a65dcc64efd932617e2a87f8
PDF
Publication page74bbc8a40bbf6ec3a3780ca5e5f96b1a944ff3f09ec89ccd462e1144108d3444
Manifestea8398286581b4abf6c2e26d6adcd73bcc23b13103f40ae7c16ea98a00bfa1b1

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
SignatureLkOrrC5l2UjX06kr84Wp3zoGtJ03VKJVNVdMoUSoBA7+1GI+bnRk7Md+83x8DY+7sL/ZD0E03RiTqTcHVoaSDg==
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

2026-09-17T10:25:23.506942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070706
observed 74bbc8a40bbf6ec3a3780ca5e5f96b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.488632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070706/manifest.json
observed ea8398286581b4abf6c2e26d6adcd73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.471741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070706/publication.md
observed c9e29aadc1d0f73701cebbbdc9e6dce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.454105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070706/publication.txt
observed 007950017ec85e2bbb2a94566b55b63a...
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.