OpenTechnical

OT-2026-000081819

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000081819) never changes.

Identity and time

Publication numberOT-2026-000081819 · never reused
Internal UUID01a0ae97-0f75-74d5-b691-cee0a4b8a45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081819
StatusPUBLIC

Content hashes

Canonical textadb9ac39eb2603bc4ef908bcc20ad89a6b9fcf6286036ac4e46527f0cbd8f841
Markdown0cd96c09a5b5c30169be28e7f5cec032bd23f3e17ab85aaa26962f33e18daf1f
PDF
Publication pagedb72deb41dbd11a2e857ad2b59887d07b1fd88afeb03e5717e075b58623a0cb0
Manifest26bbd9cfaf341c66e36a436d52521db176cff417fcaee7b8ca8424bb912ace3d

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
SignaturehPYjvyeXMNQhgfmFUjbrZL5vlG+zpFbJQXwoxjBllDnSo4kMlBHG1hTkjGujzHKzO+KIxQ62QqHwR+V5VPipCw==
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

2026-09-17T09:59:55.528953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081819
observed db72deb41dbd11a2e857ad2b59887d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.512415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081819/manifest.json
observed 26bbd9cfaf341c66e36a436d52521db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.493625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081819/publication.md
observed 0cd96c09a5b5c30169be28e7f5cec032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.474523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081819/publication.txt
observed adb9ac39eb2603bc4ef908bcc20ad89a...
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.