OpenTechnical

OT-2026-000082207

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000082207) never changes.

Identity and time

Publication numberOT-2026-000082207 · never reused
Internal UUID01a0ae97-4d94-7cbf-8bb5-db867340b909 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082207
StatusPUBLIC

Content hashes

Canonical text7679b5e82f60b7633eaee259da7f54ce94d186f92cfb0d299578aca600961353
Markdown2053a97fe282f65db2251361143159d3aa8d355459ed3445e8fee168ae12ce32
PDF
Publication page462ab5a5db66613bf82fb69306ed3fc5dbc4252528ae73daaf3d2d5ea676ee3b
Manifestf0a393f144af15808a0020aa051ac47168623d9ab899d8c4ca43dabe5bf1bdbf

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
SignaturetnU86pHSEy/7/NvwXZZ0+EJqne5N00mRM45zSNTb05sSp1AMkKJcj38HC0dP2zNiuGTr8fNxfhwhRJDiLt6sCA==
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

2026-09-17T09:59:02.494652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082207
observed 462ab5a5db66613bf82fb69306ed3fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.478406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082207/manifest.json
observed f0a393f144af15808a0020aa051ac471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.460742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082207/publication.md
observed 2053a97fe282f65db2251361143159d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.443560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082207/publication.txt
observed 7679b5e82f60b7633eaee259da7f54ce...
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.