OpenTechnical

OT-2026-000068400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000068400) never changes.

Identity and time

Publication numberOT-2026-000068400 · never reused
Internal UUID01a0ae90-2480-7401-b5e7-fe5ec37379cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068400
StatusPUBLIC

Content hashes

Canonical text7952f2cbc094dc6ef26b246dbc907ee98517e4500e253229a92abac882984d3a
Markdownb35e838ce53d5a1bfd0b9583d7689fd583b5337456ca736206309d6b4a44d0b2
PDF
Publication page2fc3a27956537d85b93376014b6eb1eecc7da6bd383e5d46e87183e5f6d24e28
Manifestf904db94cfa59aef7914fe0083e58d053d8e078c2905c5dd07a7e76c20332532

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
SignatureIPAtsIKMT/bhhj5D23v+rfsB6emIesR6SGB3IZakpuN5siNgEm0PpjCfJYBpj/4cxTl5EWEd7/5YIx2Ixie1DQ==
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

2026-09-17T10:29:27.418850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068400
observed 2fc3a27956537d85b93376014b6eb1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.400150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068400/manifest.json
observed f904db94cfa59aef7914fe0083e58d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.381428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068400/publication.md
observed b35e838ce53d5a1bfd0b9583d7689fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.363518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068400/publication.txt
observed 7952f2cbc094dc6ef26b246dbc907ee9...
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.