OpenTechnical

OT-2026-000068206

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000068206) never changes.

Identity and time

Publication numberOT-2026-000068206 · never reused
Internal UUID01a0ae8f-c4ff-7f87-ab6f-3d4459e2dd71 · 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-2026-000068206
StatusPUBLIC

Content hashes

Canonical text4e70470334d46f14942d6315a5252d23a3a20b7f7acded558455069dd76381a3
Markdowneab9f7188a43bc88450cbf009e3dfe47449a1ab85472ef266f9b655dcaa6662a
PDF
Publication page8949e815be663e422c827525cf7c18d81e08144e3ade1e40862e7cd52bf19089
Manifest56aaa750bd24e3e11a659b7001ead7febd647ceb240c0a52eb1ed6e6a7210dfa

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
SignaturechhiDsIyiNrc10BhiyLv7DQVPn2r/IQ235OpKpLDU9oFS+21Ndmj0UqkT1Mw7bT4H1eqtpFgcShVxwNgTnbjAw==
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

2026-09-17T10:30:52.108928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068206
observed 8949e815be663e422c827525cf7c18d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.091433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068206/manifest.json
observed 56aaa750bd24e3e11a659b7001ead7fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.074906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068206/publication.md
observed eab9f7188a43bc88450cbf009e3dfe47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.058032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068206/publication.txt
observed 4e70470334d46f14942d6315a5252d23...
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.