OpenTechnical

OT-2026-000062897

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000062897) never changes.

Identity and time

Publication numberOT-2026-000062897 · never reused
Internal UUID01a0ae8c-94a8-7ff7-bf69-ff76e4e8843b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062897
StatusPUBLIC

Content hashes

Canonical text604e2ef5bae4021067e0c488d1d5caab2992efdaecc42781c9efbbe432e0f309
Markdownbc5096a8169cf77b04afab1716c782d04400a7e63cc088fbf3c8d7c0def02621
PDF
Publication page61e6bbaa5e5b28f0ecf9216b2168d5eef043bfd4ae59044d6ffae8699e6a81d3
Manifestb6bad3a89f2e06b0342534812e7afcd03b8387b5f3b56fa22fe558c5d217eb1e

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
SignaturemglNKhggrP7FahaSXVOMvysF6NE4qNfxal93bbRtK5WZp3MuN6A434idMDhOMBD1H5qdjS1bp15Lk7yfKCzvDw==
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

2026-09-17T10:40:15.964810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897
observed 61e6bbaa5e5b28f0ecf9216b2168d5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.945467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/manifest.json
observed b6bad3a89f2e06b0342534812e7afcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.923517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/publication.md
observed bc5096a8169cf77b04afab1716c782d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.901862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/publication.txt
observed 604e2ef5bae4021067e0c488d1d5caab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.295787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897
observed 61e6bbaa5e5b28f0ecf9216b2168d5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.278447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/manifest.json
observed b6bad3a89f2e06b0342534812e7afcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.262300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/publication.md
observed bc5096a8169cf77b04afab1716c782d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.246170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062897/publication.txt
observed 604e2ef5bae4021067e0c488d1d5caab...
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.