OpenTechnical

OT-2026-000101928

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000101928) never changes.

Identity and time

Publication numberOT-2026-000101928 · never reused
Internal UUID01a0aea4-50f1-770f-bf1f-b321b5650f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101928
StatusPUBLIC

Content hashes

Canonical text8d642c0d2152eceaf50aa57ec989aa0339c5ac23204057edb676a4e98d73efd6
Markdowna08db97394e55620e7c5f15dafc4c47b428e9f1f4f5f769e886268bf27c2c311
PDF
Publication page8ab67fa7f3499b8439a15d5ab88fd6acd0e155e00f6276de45456dc1a09de8e6
Manifest4df13f2cda590b892372b0301b387da39c0337929b46eb29070573a544ae3aa3

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
SignatureBCFPHIQGmSFaLBYzz3ClPh4gArZ6rvrHeF/SjxCHD3/i9fGQB5veakE9Ba0q17D/CYiq0j+3UD5/lOBUrhEECw==
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

2026-09-17T09:25:02.390273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101928
observed 8ab67fa7f3499b8439a15d5ab88fd6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.371384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101928/manifest.json
observed 4df13f2cda590b892372b0301b387da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.353118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101928/publication.md
observed a08db97394e55620e7c5f15dafc4c47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.335542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101928/publication.txt
observed 8d642c0d2152eceaf50aa57ec989aa03...
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.