OpenTechnical

OT-2026-000101702

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000101702) never changes.

Identity and time

Publication numberOT-2026-000101702 · never reused
Internal UUID01a0aea4-0e16-7274-891b-7fd59f2d25d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101702
StatusPUBLIC

Content hashes

Canonical text270ad852373d9b6232ab611563f08e44a31ec0b5bc507d1fb5248ad63524c14d
Markdown221ad50b65d16b686fc3f874ca7a46bc7f844a30cfcf1ab6d33d34389b5238c1
PDF
Publication page711dc06ba48efe5937a7f292746fac8c16ea76b0b15a4f8dabc7116b87f42670
Manifest5bc00c6642b50df77b0caa4a21652f3de248fc498df1244757a41d735af8c7d1

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
SignaturetBRsDSeseaTBF2X1taAZN+/PyLxqocA8FNVIqjLLwujf+B+cwW2S0BCT95FhXcNs3/Q9D9nWnADUQ3+DAKRDCQ==
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

2026-09-17T09:26:07.782164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101702
observed 711dc06ba48efe5937a7f292746fac8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.762635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101702/manifest.json
observed 5bc00c6642b50df77b0caa4a21652f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.743590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101702/publication.md
observed 221ad50b65d16b686fc3f874ca7a46bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:07.724822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101702/publication.txt
observed 270ad852373d9b6232ab611563f08e44...
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.