OpenTechnical

OT-2026-000008043

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000008043) never changes.

Identity and time

Publication numberOT-2026-000008043 · never reused
Internal UUID01a0ae6a-908b-7f5c-ae33-bd99a64024f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008043
StatusPUBLIC

Content hashes

Canonical text4e40685b118b580cde015dbd4310c460b674b5e22f2aa15edcb9f4e140cc8f44
Markdown13172abcee6592ed78335ca312077882d2afd5d879ce3dc6b1dfb646a72c5c35
PDF
Publication paged6a24029598ab7522838448dce65d2765aeda957ce35ab2dd950e469c53dfc76
Manifest6b64852562facc37b51b571568fa8331122793a3a7fa6c8b9e43a1083380276a

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
Signature0tkCQHzcmkxIjOI6tYCPyFxmlvd6v7j0CfW37UB/8w9Zqy6xLyozUWS91YkKpA0gATbpcrGWQu2AYLsBpuKgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:38.056999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043
observed d6a24029598ab7522838448dce65d276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.034406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/manifest.json
observed 6b64852562facc37b51b571568fa8331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.012717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/publication.md
observed 13172abcee6592ed78335ca312077882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.992139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/publication.txt
observed 4e40685b118b580cde015dbd4310c460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.918196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043
observed d6a24029598ab7522838448dce65d276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.900190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/manifest.json
observed 6b64852562facc37b51b571568fa8331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.883455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/publication.md
observed 13172abcee6592ed78335ca312077882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.864732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008043/publication.txt
observed 4e40685b118b580cde015dbd4310c460...
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.