OpenTechnical

OT-2026-000083615

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000083615) never changes.

Identity and time

Publication numberOT-2026-000083615 · never reused
Internal UUID01a0ae98-0415-741c-b34b-acc254ba0442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083615
StatusPUBLIC

Content hashes

Canonical text47ce199d8d309cee95a39229f1497567b0072c230fdc5bf74b87a34ca11bd163
Markdown6f1b7ab93729c91a496d8ef6962c1269099456a93945270ad43507a0ee8369cf
PDF
Publication page5d829b73f7bb3480caebd435bc30cf2e44c56135fb4ad956341b5c82e046a914
Manifest3674d51b0c948cd7b04c87d4caf82ae069f681ae50bcaf24e93f4516a7636835

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
SignatureAtFlS1UoJr0wOU1vYcmoI7vusDJtsooWYu3POoMuRx58xLg0iA1+w+KdML8DdpQMHxFI6geik4qU3CsB2bQ1AQ==
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

2026-09-17T09:57:06.776344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083615
observed 5d829b73f7bb3480caebd435bc30cf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.759511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083615/manifest.json
observed 3674d51b0c948cd7b04c87d4caf82ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.743233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083615/publication.md
observed 6f1b7ab93729c91a496d8ef6962c1269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.725135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083615/publication.txt
observed 47ce199d8d309cee95a39229f1497567...
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.