OpenTechnical

OT-2026-000089547

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089547) never changes.

Identity and time

Publication numberOT-2026-000089547 · never reused
Internal UUID01a0ae9c-1a21-7445-b7ee-3448f484c2ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089547
StatusPUBLIC

Content hashes

Canonical text3642b52af458bf9155c37d4a785840439753f0de69f51c6bd232d17b107533ed
Markdown7d2fc67641a223f4fa52b46f1d308a0da219267b99eb88b1e96337ac23d84840
PDF
Publication paged9d14fdafa39a5a9d2d40fbe9f2596e3a11e1240f9a1394cc2ea6798b1533f60
Manifestc9bb067401186af691b631c58feedcb004cfc5cd9bdb9862c392b858719f8480

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
Signature40wW2WdZxwgdDgK+UUvSRqdiNl6hCIoowfknaohP5wlnHQn8y+VKo0MHSYOt6+W/b6oUI5KabFjO1gN1TcDnBw==
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

2026-09-17T09:46:30.938637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089547
observed d9d14fdafa39a5a9d2d40fbe9f2596e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.921970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089547/manifest.json
observed c9bb067401186af691b631c58feedcb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.904965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089547/publication.md
observed 7d2fc67641a223f4fa52b46f1d308a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.887904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089547/publication.txt
observed 3642b52af458bf9155c37d4a78584043...
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.