OpenTechnical

OT-2026-000075229

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000075229) never changes.

Identity and time

Publication numberOT-2026-000075229 · never reused
Internal UUID01a0ae93-f200-7497-889e-8ce90e39affd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075229
StatusPUBLIC

Content hashes

Canonical text63144529e07041ea7b38a27725c1746a6b4bc13ff6ea8c6e6972d44f71e1442c
Markdown2e9129e702bc9564d66f2ae1e7e8ff0026017e948a3e60bb46766207c8738ce4
PDF
Publication page988b337ec8e7a40ccb4ff4fb25d11393228fef5f486fb8898637ae02d8cfe873
Manifest7df1cf55ebea386b48259cd2dc8f5d68e9aa36dd44e38caf892bb7dba2153ee2

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
SignatureGl78uT4SOfjnTBHhAoKIpWbk50e1BqQwybnTcHguofcjJ5XQ2gorTk0DfT9+EjtOeLvHbRtnYbTapehjRojhBw==
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

2026-09-17T10:20:30.791151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229
observed 988b337ec8e7a40ccb4ff4fb25d11393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.772909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/manifest.json
observed 7df1cf55ebea386b48259cd2dc8f5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.753563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/publication.md
observed 2e9129e702bc9564d66f2ae1e7e8ff00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.734729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/publication.txt
observed 63144529e07041ea7b38a27725c1746a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.312545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229
observed 988b337ec8e7a40ccb4ff4fb25d11393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.292154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/manifest.json
observed 7df1cf55ebea386b48259cd2dc8f5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.272454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/publication.md
observed 2e9129e702bc9564d66f2ae1e7e8ff00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.249006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075229/publication.txt
observed 63144529e07041ea7b38a27725c1746a...
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.