OpenTechnical

OT-2026-000088119

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000088119) never changes.

Identity and time

Publication numberOT-2026-000088119 · never reused
Internal UUID01a0ae9b-1aa7-750d-bab8-68ff7a1f03d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088119
StatusPUBLIC

Content hashes

Canonical textab1f423b710f36bb1eefe1ffb7312184627dc02f261b42a8b2118e4f6cc00b8a
Markdown476bd809c0c0f32e0cd29ccedf384bb3afc6ffd78f27e44026525744fe59820e
PDF
Publication page24c8c574ba7f13c83370ce4c84de9f4694a06e1f7a9b3aa5a80d84aa7b7a3b40
Manifeste99764621f43902798e07ef6eb447c9622a293102b72084a963372f382dbf3b8

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
SignaturejepgqJFkPicL7vXR/ihI4o9wwJbvFo8kgZGE8q7v8BTlVoAiUXe0coRfne+FT+J7Drp7Ff+DVlOGelfOhvAOCw==
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

2026-09-17T09:50:07.415370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119
observed 24c8c574ba7f13c83370ce4c84de9f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.394445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/manifest.json
observed e99764621f43902798e07ef6eb447c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.371283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/publication.md
observed 476bd809c0c0f32e0cd29ccedf384bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.347732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/publication.txt
observed ab1f423b710f36bb1eefe1ffb7312184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.561042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119
observed 24c8c574ba7f13c83370ce4c84de9f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.542966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/manifest.json
observed e99764621f43902798e07ef6eb447c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.525473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/publication.md
observed 476bd809c0c0f32e0cd29ccedf384bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:06.507916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088119/publication.txt
observed ab1f423b710f36bb1eefe1ffb7312184...
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.