OpenTechnical

OT-2026-000080696

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000080696) never changes.

Identity and time

Publication numberOT-2026-000080696 · never reused
Internal UUID01a0ae96-b973-7166-916a-129fd574372a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080696
StatusPUBLIC

Content hashes

Canonical text90642550d6696d79115de4f777b42acc781f6fce2d1c07bad140077966b3eaac
Markdown86e5676556bcbd390a4ab5ed340b40264c4cefdfd58364dea09bfafc6cd35e75
PDF
Publication page42bedcaccfad4b7eca385d9804b2c24e683e6d55132aa5dfcaa853e8c04856d7
Manifest31a2141e797e08f345d327caf69ea371da2e110f2470d3f25fda44cc03dabd92

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
SignatureZ2Ohus8/PlhRRYgOo57m98HpM9xxOwnNcgb3CFKxjeUwuYahuIcUA45XeGhjT+vJ9RQvZMJMY0FMPSQ8D3w4Dg==
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

2026-09-17T10:01:43.783511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080696
observed 42bedcaccfad4b7eca385d9804b2c24e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.766671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080696/manifest.json
observed 31a2141e797e08f345d327caf69ea371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.747451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080696/publication.md
observed 86e5676556bcbd390a4ab5ed340b4026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.727962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080696/publication.txt
observed 90642550d6696d79115de4f777b42acc...
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.