OpenTechnical

OT-2026-000006265

Publication integrity record

Porous face vacuum gripper, two stage ejector, pressure verified, contact triggered, closed cell

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-2026-000006265) never changes.

Identity and time

Publication numberOT-2026-000006265 · never reused
Internal UUID01a0a954-e55e-79ac-a829-aec5c9ded256 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:28.385498Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006265
StatusPUBLIC

Content hashes

Canonical text04777bd17a933374bbf6408bbc1f40e95f9aa8dd37a1d52281e91eb22fc4acba
Markdownc485a69ae890b1b995edab35b63c6590d9091629e59e5511869a32087d653693
PDF
Publication page88daaf1982c95da216358d5bf3923a88ba2908409dc64b427a87e64f94af46d3
Manifeste5ef58c9f525e1cc5cf6c632d56e488b64604e127b5667c797424170a9f23267

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
SignatureWXVtYsegixCtOokg01KOf0eiJ5Kk86Na0H31wk8YXrq3m2w1mwPcgIIZJseB4CU7t+qUtNkedVwoC6REplmBBQ==
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

2026-09-16T08:30:08.153535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006265
observed 88daaf1982c95da216358d5bf3923a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:08.138906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006265/manifest.json
observed e5ef58c9f525e1cc5cf6c632d56e488b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:08.123195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006265/publication.md
observed c485a69ae890b1b995edab35b63c6590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:07.983867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006265/publication.txt
observed 04777bd17a933374bbf6408bbc1f40e9...
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.