OpenTechnical

OT-2026-000006246

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000006246) never changes.

Identity and time

Publication numberOT-2026-000006246 · never reused
Internal UUID01a0a954-449b-7c4b-8131-e779fcd87ddb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:47.229896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006246
StatusPUBLIC

Content hashes

Canonical textb187ed03962c81b480904022a5afc108fc1bfc69408c4548d759025073846ea3
Markdownd418ded212ddee0687ddbc6da98ef96fed75565dcdc5a917f5f5afbb0809e8ad
PDF
Publication pageb9cc8f979a94aac9a89235a76d57499f2db4d36b3fdb25a339512b2de6d64d94
Manifest1b60f06509cdeac52aadb489764273c4a0a92aa9c418780dd1543fc8d108d2ef

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
SignaturegE3pKXgjlrraRBZsGO1j2RudqflaLl1OMTo/1yODZx42mcnleMPBcKnbUUBdPNFWDAHcnKqtS1B5NyhtlFk3Ag==
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

2026-09-16T08:30:10.481548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006246
observed b9cc8f979a94aac9a89235a76d57499f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.467249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006246/manifest.json
observed 1b60f06509cdeac52aadb489764273c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.450648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006246/publication.md
observed d418ded212ddee0687ddbc6da98ef96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.435712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006246/publication.txt
observed b187ed03962c81b480904022a5afc108...
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.