OpenTechnical

OT-2026-000081476

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000081476) never changes.

Identity and time

Publication numberOT-2026-000081476 · never reused
Internal UUID01a0ae96-f375-7704-86ce-65c259e10e7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081476
StatusPUBLIC

Content hashes

Canonical textd53e3211479d71cf0365c0b8f12338c3b5fba1b5af3dae2d7e9d5b5eb125472d
Markdownc17121d3b062f4af1baa82af4003cfbe192676f16eb0bff23c357940016adfa0
PDF
Publication page7264c309d952809b0f6cbf808a2101c73869a716ef7dcf3531c746e0e615879b
Manifestb5f098d73e6ad79f35ee01a44d496a832b1271c7f2a7caf757146b82c7dc8763

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
SignaturektLI5fIGl14GsNiclm7dm61BcoEMVDSNKrBnDCcCSlL0/PKjCQky7oOO3ki+0x0Fq0Xdxr0NdAlGCv9sprZ4Aw==
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

2026-09-17T10:01:38.552879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081476
observed 7264c309d952809b0f6cbf808a2101c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.536775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081476/manifest.json
observed b5f098d73e6ad79f35ee01a44d496a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.520400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081476/publication.md
observed c17121d3b062f4af1baa82af4003cfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.503922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081476/publication.txt
observed d53e3211479d71cf0365c0b8f12338c3...
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.