OpenTechnical

OT-2026-000083135

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083135) never changes.

Identity and time

Publication numberOT-2026-000083135 · never reused
Internal UUID01a0ae97-c962-788c-8e53-e4357764033d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083135
StatusPUBLIC

Content hashes

Canonical textd90362bf1288820058fe6419ad1238f8038768ead06e442355bf3c74e695b178
Markdown1006248e6716f2461e033ca12a38ffa2d305a5a5ffb777f821384e5988797f23
PDF
Publication page00838aa35e40e5cdab13c006c276f94ab2895c786e34f2a6cfc4804fc4e1e5a0
Manifest4ee9f845f99baa7151a08f0e5a97f3ffd8b9ef47764e18969c03080db1234726

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
Signature44veY3o4ECl+Kps58HGQs9Zj5kyriWlOjalei6FdHoBLgwwSjz8zcaSFKVdwTgOeu5xxvcz1UOROV22CNryPBw==
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

2026-09-17T09:00:46.390202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083135
observed 00838aa35e40e5cdab13c006c276f94a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.368435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083135/manifest.json
observed 4ee9f845f99baa7151a08f0e5a97f3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.349958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083135/publication.md
observed 1006248e6716f2461e033ca12a38ffa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.333087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083135/publication.txt
observed d90362bf1288820058fe6419ad1238f8...
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.