OpenTechnical

OT-2026-000093140

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000093140) never changes.

Identity and time

Publication numberOT-2026-000093140 · never reused
Internal UUID01a0ae9e-0910-7ea1-a97d-69e30f3dcfae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093140
StatusPUBLIC

Content hashes

Canonical text683a6551b2bfa0a20a5222a94024ae492acb93b0ac40f17417a52fdeb989ef9f
Markdown58a37762122df82f59613608d2f481c69186e534df67d3b7d629f5d456421e4e
PDF
Publication page3a16901f2b38fc35522bd4be0d84a0c0726c6237773649b942ffb746c98b0931
Manifest73288027dd8596e006ba5de61d3e5c7d9d5a53468d1456e2b2be2110b4837203

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
SignaturevJmP0QtG1qm7yvcNvfUAv4QPKS3HBzFKnCjsnh6YsNoPk/j/EJSEt0aljl/uAS2eK6N4pg+ShnpI1LqQWu1BAg==
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

2026-09-17T09:40:25.996797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093140
observed 3a16901f2b38fc35522bd4be0d84a0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.979031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093140/manifest.json
observed 73288027dd8596e006ba5de61d3e5c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.959569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093140/publication.md
observed 58a37762122df82f59613608d2f481c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.939895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093140/publication.txt
observed 683a6551b2bfa0a20a5222a94024ae49...
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.