OpenTechnical

OT-2026-000087239

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000087239) never changes.

Identity and time

Publication numberOT-2026-000087239 · never reused
Internal UUID01a0ae9a-9f2e-7c9a-b886-cb68b6cc4670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087239
StatusPUBLIC

Content hashes

Canonical textf5b50a67f4cb9aa2c83e86f8e7d17b45b8342467e37a0181c384d07db3f72f3c
Markdowna734b8bf0adbe95b9c1dbae4eec6edbfbdf3c276382b1fa79bc314ac6696123e
PDF
Publication page91270c83743b6c9cd5ab5015ec5e6c6207775c4cd2baf94ed5e3df6fbb2c3519
Manifesta5044129511274ea1dd1df83379269dca2ea5ac5a16b1405c84919614fe5c5ec

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
Signatures9zI4LhtpBfy9FebxNctiPGhEj6P69caQ4N8I0d38fNS/VjUERkhgOnwgKLf5aQzHNS72DfSV7vX3C9lqZ7ICw==
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

2026-09-17T09:51:32.528652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087239
observed 91270c83743b6c9cd5ab5015ec5e6c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.513436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087239/manifest.json
observed a5044129511274ea1dd1df83379269dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.495413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087239/publication.md
observed a734b8bf0adbe95b9c1dbae4eec6edbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.477284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087239/publication.txt
observed f5b50a67f4cb9aa2c83e86f8e7d17b45...
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.