OpenTechnical

OT-2026-000061237

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000061237) never changes.

Identity and time

Publication numberOT-2026-000061237 · never reused
Internal UUID01a0ae8b-1382-7d35-b591-86f3c2c1e43d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061237
StatusPUBLIC

Content hashes

Canonical text5fccbd7646445f2d75df365a7b5c905198c5a6c158ca9b0241a731979efd269c
Markdowna0011f29cfecbc42bcd62aefe308e37429ae43927c6ea81dd9a04971b8689794
PDF
Publication pagea70024e0562e4b6d2c602b931e72447692b5455a42b57600f1701cd90a2eaf81
Manifest519eb9a8754c7f97f6259896fef7f83ba8d88bce9792130a4d80a804a224ea5d

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
SignatureDAm9Br5M0RVr35ssJbOhYD4h41TeRsv3iyhmXOfT4kCffbc5W+INpaWRTVvGQ02sjinjy8d/ymBZOJVRq/tqDw==
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

2026-09-17T10:42:38.888591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061237
observed a70024e0562e4b6d2c602b931e724476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.868934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061237/manifest.json
observed 519eb9a8754c7f97f6259896fef7f83b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.850088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061237/publication.md
observed a0011f29cfecbc42bcd62aefe308e374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.830439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061237/publication.txt
observed 5fccbd7646445f2d75df365a7b5c9051...
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.