OpenTechnical

OT-2026-000026911

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed 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-2026-000026911) never changes.

Identity and time

Publication numberOT-2026-000026911 · never reused
Internal UUID01a0ae72-3452-7055-8864-49048fd49a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026911
StatusPUBLIC

Content hashes

Canonical textd422d382564b6f6c7fc4ec3441524a89d4cb9415da9ece3900ea5870fbd636f2
Markdown4e5d5589d23bc7b0da51915fe5b47806e0bb47f81187d85b328c00601c21b75f
PDF
Publication page3e8af9c87c509d7bced8c855f8df6ce15ccd31e5f57eb374f00c53a35ade8a9f
Manifestc379170de51c1c3b81386892496a6deba760fadf8f90f95df3982519083ff3d0

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
Signature9czpuQ+S6QKaiK1O9TzsxAie3ogktd0Xf2Jl6HYsiuCQKPpBO+Euao/TZirr1nppqNQlxrNzAbF6CKd2ktr2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:31.428903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026911
observed 3e8af9c87c509d7bced8c855f8df6ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.407825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026911/manifest.json
observed c379170de51c1c3b81386892496a6deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.391682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026911/publication.md
observed 4e5d5589d23bc7b0da51915fe5b47806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.375498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026911/publication.txt
observed d422d382564b6f6c7fc4ec3441524a89...
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.