OpenTechnical

OT-2026-000085733

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000085733) never changes.

Identity and time

Publication numberOT-2026-000085733 · never reused
Internal UUID01a0ae99-aaae-70d0-80e2-e9e8d4d5af21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085733
StatusPUBLIC

Content hashes

Canonical text355f5bbda8b02a4191732938cc52e27062a800221c5ac5e77201699617f18c77
Markdown60f8756339aa16e2f4226c6d7a1e0270be522606088fbacd77c695a496c88543
PDF
Publication page4db937ec5e65d55b72c254deb08da59a5b12b7c5e7b0c743fa29ed5166f8d283
Manifest082500e11ec7bf9accc999a3b4cd9f36e6ea10792e7bd2ce1c0d038efedd1a38

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
SignatureG9WmiLsWkgfEQ+aJw+/jZjrdFmjTxmcgvFEa6fIgDEYTheqQpeW4tYHcbZ1KNCEx0XtdLh9HU2AjnXbDpj4qAw==
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

2026-09-17T09:54:38.790916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085733
observed 4db937ec5e65d55b72c254deb08da59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.772713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085733/manifest.json
observed 082500e11ec7bf9accc999a3b4cd9f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.755343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085733/publication.md
observed 60f8756339aa16e2f4226c6d7a1e0270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.735745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085733/publication.txt
observed 355f5bbda8b02a4191732938cc52e270...
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.