OpenTechnical

OT-2026-000060414

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000060414) never changes.

Identity and time

Publication numberOT-2026-000060414 · never reused
Internal UUID01a0ae8a-b7cb-710f-b663-031e40f6c267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060414
StatusPUBLIC

Content hashes

Canonical text635c024df800f663061483efa5a9acecbf1dff01a349e84a70bae051e6b2cf99
Markdown3ffb583374f6d53fe084070b0a144b6629cadfa0fda859e31a423c059a5f7a65
PDF
Publication page7f85b3d61bc35151c5d88932cc95725206a2db84b22ca57c5484ab4cc92dd782
Manifest5c6289231896845f3f531b89538fa709ceda974ac247d562937920aafa429d13

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
SignaturezjnaocdZhfByYIyE7gnrkh7fGqzc7W8wp/cXc4YSzf3p7H15rDFg7V2YyBah30Zm2JtbsmFGR/hM+AYu68qWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:53.154821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060414
observed 7f85b3d61bc35151c5d88932cc957252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.135056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060414/manifest.json
observed 5c6289231896845f3f531b89538fa709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.114947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060414/publication.md
observed 3ffb583374f6d53fe084070b0a144b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.095405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060414/publication.txt
observed 635c024df800f663061483efa5a9acec...
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.