OpenTechnical

OT-2026-000089740

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089740) never changes.

Identity and time

Publication numberOT-2026-000089740 · never reused
Internal UUID01a0ae9c-1a22-7bb5-aacf-6d2221036f1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089740
StatusPUBLIC

Content hashes

Canonical texted273297a162cc2e39ea7306628d5f8064652fb268c4860182aeb8e5a71110d7
Markdown5cdb7d9bac0e78502f2854a1b8b246eefa6b301a905f38b96a0c298689659a2f
PDF
Publication page679d46784babdc7f78f5600b6e0735de0aea6d0c69f34e814686d584b63f30f8
Manifest6618460f9e8dd3fad0605e43b2ce31b143e687e362b13efe69300d03ef1ff426

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
Signaturex0hymVxLk7j2dA5Wy3GG/zrpPjmeVpfAxcS+t4uuIarYf+al+VguHWbWjGrAf6gMp5EruBF2y8rdJebj00cODg==
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

2026-09-17T09:46:44.919341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089740
observed 679d46784babdc7f78f5600b6e0735de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.901611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089740/manifest.json
observed 6618460f9e8dd3fad0605e43b2ce31b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.885574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089740/publication.md
observed 5cdb7d9bac0e78502f2854a1b8b246ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.867752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089740/publication.txt
observed ed273297a162cc2e39ea7306628d5f80...
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.