OpenTechnical

OT-2026-000095139

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000095139) never changes.

Identity and time

Publication numberOT-2026-000095139 · never reused
Internal UUID01a0ae9f-8f6e-7d9d-a285-cb9875fd6a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095139
StatusPUBLIC

Content hashes

Canonical text852d3aa1cf0160e14d4d24008088527d77bb26b35b30bb19a664e4bc53a747a6
Markdowne2eb54a934c4bcc131302f7ec6c7fbafa1125b470c5c1657fe1194828bb2fb54
PDF
Publication page94db1d6cb91ff3c66f64476b92499278d8ffcdd373f4dfa3d4fbd759bf0c74ce
Manifeste1ca3571190268249382ba866424d4141ce2af1291cd472d705f40623b3d29d1

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
SignaturelOClFKb6brKhTygGpyPRiNSeRoOlmM+JDyCAdCGHTMAK/j6D2vHTOK77gFMPbo0GS+RVnBk/emnm7xmLR13gDA==
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

2026-09-17T09:36:23.693361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095139
observed 94db1d6cb91ff3c66f64476b92499278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.638516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095139/manifest.json
observed e1ca3571190268249382ba866424d414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.620455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095139/publication.md
observed e2eb54a934c4bcc131302f7ec6c7fbaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.565157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095139/publication.txt
observed 852d3aa1cf0160e14d4d24008088527d...
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.