OpenTechnical

OT-2026-000090369

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000090369) never changes.

Identity and time

Publication numberOT-2026-000090369 · never reused
Internal UUID01a0ae9c-7f2d-7422-8ca4-1ef557e4d991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090369
StatusPUBLIC

Content hashes

Canonical text8f02bd0fdb7464bf001e439bbcb6218f287d2e1491a0ee0bfdeff64cf9aa3a7e
Markdownb3175dc6bb08c9364dd8f4fc308e3ea0bc2ad5e9c01baf898ba93553352970c3
PDF
Publication pageb17b32d3ba60c905ef84aea29bbc9b19715a6b4ba9becdc6d357dc7f64247d6b
Manifest47ffe5c3abdd1970bb5c1db65bfd01c8fb7fb3d8c3d5dae63ff52adefdbaefda

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
SignatureWLqnT9o7wa52yEIqgTsq3leAhxkNjhnirXeJMrkEtklrwNtTxYo4puZjUrcZ9i6T4s7kOPBpvfPz1smz95t7AQ==
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

2026-09-17T09:44:28.286626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090369
observed b17b32d3ba60c905ef84aea29bbc9b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.270280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090369/manifest.json
observed 47ffe5c3abdd1970bb5c1db65bfd01c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.252254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090369/publication.md
observed b3175dc6bb08c9364dd8f4fc308e3ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.232604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090369/publication.txt
observed 8f02bd0fdb7464bf001e439bbcb6218f...
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.