OpenTechnical

OT-2026-000103927

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000103927) never changes.

Identity and time

Publication numberOT-2026-000103927 · never reused
Internal UUID01a0aea5-15e7-7ec1-9f93-319721042701 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103927
StatusPUBLIC

Content hashes

Canonical texta12e88f75eca70945ef333aa3e0759c0a63d75ef7538b2e88ee8d9765fbeedeb
Markdown5f0718127663e14894a2fb276a80823a869a11f775f92dcbbeaa0308526e2041
PDF
Publication pagea400e1ab37d8f730d229c84512b6c712c8d514793e495c1d3d4e4130e32d4416
Manifest3d6e9434300041995342545891c3929b4ad941c7f2429373a277e7e7f4461fbf

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
SignaturedU8yMgZV5P1y795G11nD7WPKPruofbVD2775fAi+dQiE4s+Oy7tl8rLcRI6hmVlHna9DuiVMJXbisC0w3SvCDQ==
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

2026-09-17T09:21:55.466336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103927
observed a400e1ab37d8f730d229c84512b6c712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.447847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103927/manifest.json
observed 3d6e9434300041995342545891c3929b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.429366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103927/publication.md
observed 5f0718127663e14894a2fb276a80823a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.412121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103927/publication.txt
observed a12e88f75eca70945ef333aa3e0759c0...
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.