OpenTechnical

OT-2026-000062973

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062973) never changes.

Identity and time

Publication numberOT-2026-000062973 · never reused
Internal UUID01a0ae8c-94a8-740e-b32f-746856edad22 · 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-2026-000062973
StatusPUBLIC

Content hashes

Canonical text256489ca7d670cec716a6c0ea67c6d6187f08a6cb66d67b057e3064666b53e2e
Markdownebc5892361f0441033abfd17f734643d2ef1983f4a9917a40f4374414cd8868b
PDF
Publication page4d04d175388cbf118265b505f3b1b2240bd17ddcf5870b5c9ea3270e39e27e1d
Manifesta1315fe092bc9bc5bb8edc0eb0919f729653a3849075f3a3d31d5a08ee0dc4ed

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
Signaturenvwe/t/l9qEICry1/9fzb3ik+Lvb4KYxRwaf9P9tXhwsIesMq1n/v+AI0CdkvrjMY5cMka8xFiIYOZy6Cdk4AQ==
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

2026-09-17T10:40:29.356673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973
observed 4d04d175388cbf118265b505f3b1b224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.329449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/manifest.json
observed a1315fe092bc9bc5bb8edc0eb0919f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.306323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/publication.md
observed ebc5892361f0441033abfd17f734643d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.282749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/publication.txt
observed 256489ca7d670cec716a6c0ea67c6d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.328952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973
observed 4d04d175388cbf118265b505f3b1b224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.306885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/manifest.json
observed a1315fe092bc9bc5bb8edc0eb0919f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.288885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/publication.md
observed ebc5892361f0441033abfd17f734643d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.271587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062973/publication.txt
observed 256489ca7d670cec716a6c0ea67c6d61...
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.