OpenTechnical

OT-2026-000067945

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000067945) never changes.

Identity and time

Publication numberOT-2026-000067945 · never reused
Internal UUID01a0ae8f-c4fd-7668-a021-29e522f5cf4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067945
StatusPUBLIC

Content hashes

Canonical text1b5200cadf7d3e565a8e8e799575ab8d1fb56e8f8b096b5ff2df5822c1e39984
Markdownad31d3f2f5794bc9b7f6d30f067d7e690dd7e6448d401ddf4cf75096f0d33395
PDF
Publication page7b810c62c8a42c93841280de4e8c7fc547a1122ca9f4c136e7d68a3bb64020d8
Manifestc6486aad709c33497a0c1a384dc782f4e3037797f4fbafcc4edba186466cf8ec

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
SignatureVgmogFrOqo6zItcQr6tX9y0j00qT6YfrfLWFdzmroIH9Ip8U6GxQCYWXVfVZPOMiY4likmV5OIMh52pUjU0xCg==
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

2026-09-17T10:30:21.837944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067945
observed 7b810c62c8a42c93841280de4e8c7fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.817839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067945/manifest.json
observed c6486aad709c33497a0c1a384dc782f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.799693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067945/publication.md
observed ad31d3f2f5794bc9b7f6d30f067d7e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.783030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067945/publication.txt
observed 1b5200cadf7d3e565a8e8e799575ab8d...
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.