OpenTechnical

OT-2026-000101687

Publication integrity record

Three bellows 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-2026-000101687) never changes.

Identity and time

Publication numberOT-2026-000101687 · never reused
Internal UUID01a0aea4-0e16-7947-afe6-a95a1f91be03 · 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-2026-000101687
StatusPUBLIC

Content hashes

Canonical text320dc878190a3da263915ef83b5e05e53f0887759fd3005c18782cf561774f12
Markdowncd16b0c2c38183b7aa9ab1001340db1a4be87478f27c6a6881f50ca5db1c2b25
PDF
Publication page1ca10a4700d6aa24b57865b491e745f8e104b4fa362971d558a3e95b004ad2e1
Manifest97ee0c759b9a475f241fc196bee20adcd514dc86dba156d126d8d3f42087ee85

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
SignatureKSiE9fRP46MEQuIaXfaKydLOiVjTk2411htSn/6aSIsT3egr70oN8IRdodhE/W2ifjNqRLeg1OkPwqsTln3kBw==
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

2026-09-17T09:25:40.444394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101687
observed 1ca10a4700d6aa24b57865b491e745f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.427164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101687/manifest.json
observed 97ee0c759b9a475f241fc196bee20adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.410027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101687/publication.md
observed cd16b0c2c38183b7aa9ab1001340db1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.393024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101687/publication.txt
observed 320dc878190a3da263915ef83b5e05e5...
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.