OpenTechnical

OT-2026-000086012

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000086012) never changes.

Identity and time

Publication numberOT-2026-000086012 · never reused
Internal UUID01a0ae99-e82b-731e-a8cf-67722c024060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086012
StatusPUBLIC

Content hashes

Canonical textc0e1f9560cbdc79fb075bd9f05bb4313c25a705b83f49fd92c4d72adf64ff37e
Markdown4ea5478d764e91c13faaf7ac484303ef513e6f61d6fa7f1ba6a8ba9a02ac7753
PDF
Publication page8a803cb1b53e463ff149bdf7dcbfab739d5193a476a3a1a1e75cf456068abb59
Manifest3b84a72578a9f78885a3576efc29a8aea951df15b1012314478a202f675d4ad1

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
SignatureLR/uOYo5Aljwjn++h023cf0RDMf/0FwuzbVWVo/cU+Dni+PTpMfC/n8IuaPi6a04JCDFcy3G0vh2LRURKSbDDw==
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

2026-09-17T09:52:59.963320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086012
observed 8a803cb1b53e463ff149bdf7dcbfab73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.943724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086012/manifest.json
observed 3b84a72578a9f78885a3576efc29a8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.927065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086012/publication.md
observed 4ea5478d764e91c13faaf7ac484303ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:59.911726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086012/publication.txt
observed c0e1f9560cbdc79fb075bd9f05bb4313...
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.