OpenTechnical

OT-2026-000006315

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, ejector fed, contact triggered, silicone cups

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-2026-000006315) never changes.

Identity and time

Publication numberOT-2026-000006315 · never reused
Internal UUID01a0a956-afad-7614-910a-1638427f3819 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:25.712938Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006315
StatusPUBLIC

Content hashes

Canonical text5334dbd619ec5aff3b6445d6f625bfe359e11d2372f46352d033d162aa71db70
Markdownb914048e11212345323f8712ad40f2373ec31a5ffa758dc15c8c4113d6121840
PDF
Publication page13d6634fbc38cfed54ae28cd8fb90a4d9e113c4c44048e1f35b1ac6b8d2360f8
Manifestf8657f75086b0760867b7fd282cc3e24ca661e00d9189fb5752771c0cfb83e59

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
SignatureS7BPjNt8jfuYsBfa1RwpXlrKqgXltdBGAiUEhVnHAXoAmxZZkhsOaMEh5K3Hb8diB7nqsY+8B7LGpuJSdFD2AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T16:41:50.064116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315
observed 13d6634fbc38cfed54ae28cd8fb90a4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:49.917247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/manifest.json
observed f8657f75086b0760867b7fd282cc3e24...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:49.774137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/publication.md
observed b914048e11212345323f8712ad40f237...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:49.524248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/publication.txt
observed 5334dbd619ec5aff3b6445d6f625bfe3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.743150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315
observed 13d6634fbc38cfed54ae28cd8fb90a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.728938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/manifest.json
observed f8657f75086b0760867b7fd282cc3e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.715298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/publication.md
observed b914048e11212345323f8712ad40f237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.702170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006315/publication.txt
observed 5334dbd619ec5aff3b6445d6f625bfe3...
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.