OpenTechnical

OT-2026-000088154

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000088154) never changes.

Identity and time

Publication numberOT-2026-000088154 · never reused
Internal UUID01a0ae9b-1aa8-7b64-9b2a-f9d5008ef969 · 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-2026-000088154
StatusPUBLIC

Content hashes

Canonical textdff162997d99d89d1753e477ffde32b5b2e13abe6fc1c7ed9dc354e86a8eca0a
Markdown20fcc330867d219fda415ea0221586290d1116436296d5e34437465523426b27
PDF
Publication page9b06e0a99c6bad7006d2d37e734e5deaedb25b6cfbecc0ca6f3c89810c9e3f6d
Manifest6d26a2f30b9106da1c29cd26a0cf6eef3660fbc908a0ca9d54653e04f1a5f714

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
SignaturejBK2nhbtn1MzrK3dXXKI9BeLX0/2F378L0rTQXng+iuPzRuOgJ/BBICQpdelD7Cdzb+96zX+N4zlViyKrTP7DQ==
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

2026-09-17T09:50:11.525829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154
observed 9b06e0a99c6bad7006d2d37e734e5dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.505612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/manifest.json
observed 6d26a2f30b9106da1c29cd26a0cf6eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.487736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/publication.md
observed 20fcc330867d219fda415ea022158629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.463872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/publication.txt
observed dff162997d99d89d1753e477ffde32b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.890408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154
observed 9b06e0a99c6bad7006d2d37e734e5dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.874398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/manifest.json
observed 6d26a2f30b9106da1c29cd26a0cf6eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.857856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/publication.md
observed 20fcc330867d219fda415ea022158629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.840378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088154/publication.txt
observed dff162997d99d89d1753e477ffde32b5...
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.