OpenTechnical

OT-2026-000100070

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100070) never changes.

Identity and time

Publication numberOT-2026-000100070 · never reused
Internal UUID01a0aea3-1474-747a-bc6d-238eb3ae0f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100070
StatusPUBLIC

Content hashes

Canonical texte2c64f1d26c22d0166d53f06212355efdda449ec01d8a386654e23ccb94c3ebb
Markdowndbf6a940ab6f18362b8ff640a22f8ddcadc44733483b7d657709dd1abb1fca62
PDF
Publication page3438cb62a6a151864543a12e7ddbc39d95ae085987e56708947d4c61719b0c4c
Manifest4d1dc134126666a8422c1aeef7997e4bfc953b79fafa0a56b34935c71ec695a0

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
Signature3mRuZgpVfp03sBA4XGIDfoWxSmgC1SY0YFKFH3088ik8r/fdREu+u/KdVJSJQyFZfbYeeh8Q2UMU/thdYRjtDA==
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

2026-09-17T09:29:01.074542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100070
observed 3438cb62a6a151864543a12e7ddbc39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.054156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100070/manifest.json
observed 4d1dc134126666a8422c1aeef7997e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.033028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100070/publication.md
observed dbf6a940ab6f18362b8ff640a22f8ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.002216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100070/publication.txt
observed e2c64f1d26c22d0166d53f06212355ef...
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.