OpenTechnical

OT-2026-000101877

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000101877) never changes.

Identity and time

Publication numberOT-2026-000101877 · never reused
Internal UUID01a0aea4-50f0-78fc-8b6d-7d5170897247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101877
StatusPUBLIC

Content hashes

Canonical text22bf58b58cddbe1e17c1dd4cf704609ceb65729e1c60d21e8e53f7815cb16a42
Markdownab7ce43af8597fd673b7293ff52a358b01c80e8b17b5f64e12ebc6011eaa4778
PDF
Publication pagef4f1b28f2e09602282ecab7eeee5177f4e7eeb49c26ea0f9b4b20577a409a26d
Manifestb9a7bf955fefa9f7b930aff8f7e26a96d68f9fd462e02b9d5a2f93e51005c3e2

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
Signature6XMPPsqhQB5c0E4Ne7n9W4JzRPEPzWfn3vash/KHrf8/8PBNzz6PcgVYnsB2o4ZEvdHk8x117TD7YhBnOxgcDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:28.947798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101877
observed f4f1b28f2e09602282ecab7eeee5177f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.927544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101877/manifest.json
observed b9a7bf955fefa9f7b930aff8f7e26a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.910417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101877/publication.md
observed ab7ce43af8597fd673b7293ff52a358b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.894220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101877/publication.txt
observed 22bf58b58cddbe1e17c1dd4cf704609c...
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.