OpenTechnical

OT-2026-000007230

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified, vented 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-2026-000007230) never changes.

Identity and time

Publication numberOT-2026-000007230 · never reused
Internal UUID01a0a977-58d0-75d6-93b5-4eceacce3e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:06:06.163662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007230
StatusPUBLIC

Content hashes

Canonical text12b2497ddc6930d4fe8227779f248f687492854e2aaa1753a91a027ae12fa44c
Markdownf51ba6972b566b413908e14b584bfb841a359993e2a08527ee800875113cdc9e
PDF
Publication page8c2631b2d369e75d39294b6f73245515c357a9fd41abd1f044a1b550b96104ed
Manifest08290d38f56e403fa7ba6450f29533fb56ead4101c456580ac64807eebec736c

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
SignatureCC4JvvSJ0kESajyNav7RG122oIycVRGBKRpLMvVYuvCwe0sgVTy9/6jYqlljCMVNEAdj0D0noW3+l/tzJQstBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:13.638062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007230
observed 8c2631b2d369e75d39294b6f73245515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.507442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007230/manifest.json
observed 08290d38f56e403fa7ba6450f29533fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.494380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007230/publication.md
observed f51ba6972b566b413908e14b584bfb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:13.481819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007230/publication.txt
observed 12b2497ddc6930d4fe8227779f248f68...
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.