OpenTechnical

OT-2026-000006824

Publication integrity record

Porous face vacuum gripper, ejector fed, sustained blow off after set down, closed cell

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-2026-000006824) never changes.

Identity and time

Publication numberOT-2026-000006824 · never reused
Internal UUID01a0a968-a646-78bd-b9f9-ddce9d19342f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:02.953422Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006824
StatusPUBLIC

Content hashes

Canonical text4b63b36ca00f8d81701d59fd25203939ac9fb30345b8aba80db022228f360a1d
Markdown3101f1f6ce4827bfe05fa60202cb1ea86fe7232fa5b7c8f47c606211a2fdca2f
PDF
Publication pagecc8913a3467e758999d597f7aa1415d557a55cfb736e6d799e2b47d9b60cf7ec
Manifest7493116dad19a5970146c64ca3b700ff497b5bd9efe16c853bb61bec312a1099

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
Signatureoc8UaeUsHnmg+NI76nfwcBwSOBoU6KHVOQbe9YnzSXefwuc8R9A5kX770vMKE9TA1AHiEgWFYD9kgAxFlwWnBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:32.136810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006824
observed cc8913a3467e758999d597f7aa1415d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.996877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006824/manifest.json
observed 7493116dad19a5970146c64ca3b700ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.984676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006824/publication.md
observed 3101f1f6ce4827bfe05fa60202cb1ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.971818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006824/publication.txt
observed 4b63b36ca00f8d81701d59fd25203939...
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.