OpenTechnical

OT-2026-000098241

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098241) never changes.

Identity and time

Publication numberOT-2026-000098241 · never reused
Internal UUID01a0aea1-e964-7a91-adfe-43a985932286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098241
StatusPUBLIC

Content hashes

Canonical text79d295cdacc621a2d8557fa7d53c09c340719e0e594a43921d2ac3a5edba546a
Markdownc62df1b3663c7dedcbefbd9dfba35b5ebfc327956a016bb72f92556647798843
PDF
Publication page3336ab077ed439ea462f222fd994e9b9f2115ad87445624f0b26aef776e6e0a7
Manifest8b639e635da1946da94d3a7569041e34bce6efc4df9525bdcaabc3e5ef946365

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
SignatureAufZsSER1dcdKYz4YWKmrB4OnLE/I7Le1IRHVWAx83Dlyn8oUoZYdUfvll4FGXST1F5g9WOg7YDPkzfTIWVBAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:25.656914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098241
observed 3336ab077ed439ea462f222fd994e9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.638451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098241/manifest.json
observed 8b639e635da1946da94d3a7569041e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.619713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098241/publication.md
observed c62df1b3663c7dedcbefbd9dfba35b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:25.600358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098241/publication.txt
observed 79d295cdacc621a2d8557fa7d53c09c3...
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.