OpenTechnical

OT-2026-000069700

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000069700) never changes.

Identity and time

Publication numberOT-2026-000069700 · never reused
Internal UUID01a0ae90-b52c-7a09-8893-e526f8b56c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069700
StatusPUBLIC

Content hashes

Canonical textce9fa920cf8ca3dd07955400ec977b9aedaee15819fbc2abdb3bcdbd5d8b71cb
Markdown9bfd11dd088fce63e8b9595de93349a7df4e5ca1f092f9af5b557bcfbcf47375
PDF
Publication page1f0498ae9d3d025269eb1c8de2f259e357dc2c21cdefbf409e71069f248406a1
Manifest3c5603d2cd9e53efdc73818739a05ce07b5ac8f4c805efa9ddfed532e4376310

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
Signature4Ge+0k/bkROv4WkI2Y+KKU5GyPg5VpUkDqj2WVF0RH+uE1PFL7L1d8s6llsjEcBm3iR1zyUDvFoGufqkrnQiBw==
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

2026-09-17T10:27:16.809884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069700
observed 1f0498ae9d3d025269eb1c8de2f259e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.792470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069700/manifest.json
observed 3c5603d2cd9e53efdc73818739a05ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.775419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069700/publication.md
observed 9bfd11dd088fce63e8b9595de93349a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.758454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069700/publication.txt
observed ce9fa920cf8ca3dd07955400ec977b9a...
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.