OpenTechnical

OT-2026-000084247

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000084247) never changes.

Identity and time

Publication numberOT-2026-000084247 · never reused
Internal UUID01a0ae98-5b60-7c3e-b3ff-bf4bf3872b93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084247
StatusPUBLIC

Content hashes

Canonical texte733e90e25cec1292912c2d68000c510f9d0343a842722fc223fbeccf5964ffb
Markdown963fcd0b6cd4f9cdea90f0679986f342f7d46e94a37e7cc9a0a709cdb95a2340
PDF
Publication page0fb0490416fa64eb9ef45e6b7a6a1aea26def52736dc8ce2a2e738ce34469d95
Manifest2ae56e7e7f32edb47a40b389e5bcce1d1f3da5bf44af739e3503f4db077e3030

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
SignaturejXJsCzdH/QtXgJpSlu8kYny9ySRLGTX3Qif8RbxXLr5qs7UZrVPJ9/M6XxhW79nVNG5W+MQ1OW/wyg1hOqKSDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:09.089292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084247
observed 0fb0490416fa64eb9ef45e6b7a6a1aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.071059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084247/manifest.json
observed 2ae56e7e7f32edb47a40b389e5bcce1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.052759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084247/publication.md
observed 963fcd0b6cd4f9cdea90f0679986f342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:09.035383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084247/publication.txt
observed e733e90e25cec1292912c2d68000c510...
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.