OpenTechnical

OT-2026-000081653

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000081653) never changes.

Identity and time

Publication numberOT-2026-000081653 · never reused
Internal UUID01a0ae97-0f72-7faa-8fbc-655fa35bdc0f · 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-2026-000081653
StatusPUBLIC

Content hashes

Canonical texte94d2049a03805cfa0433e23c1138ce269ca8bab8e72fc112fcdf206237df95f
Markdown0ec698ffd6b77f7de5fedf2b0e7edf2134bf375c8c9658c21c92d598be059007
PDF
Publication page0bdae78eb2c83c57db065cf85f761b4a5746746dda9a173b5cf4bd06fc475642
Manifest035f1c5e205741fc8b98ebe8fa9e4845bc1d97172a372dfbae215ddb6c22fbed

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
Signaturedx1zmLzeT1bbDkCpydICzceQyyx3nGSOA+wvaxm9PPQ+PtMHXIxPCFB+cZItwqx3aFKHfCHlLhaQSev3/PI3DA==
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

2026-09-17T09:59:42.428604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081653
observed 0bdae78eb2c83c57db065cf85f761b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.410614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081653/manifest.json
observed 035f1c5e205741fc8b98ebe8fa9e4845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.392180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081653/publication.md
observed 0ec698ffd6b77f7de5fedf2b0e7edf21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.374519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081653/publication.txt
observed e94d2049a03805cfa0433e23c1138ce2...
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.