OpenTechnical

OT-2026-000067813

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000067813) never changes.

Identity and time

Publication numberOT-2026-000067813 · never reused
Internal UUID01a0ae8f-c4fb-7836-bcb7-7ba1ab137fc3 · 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-2026-000067813
StatusPUBLIC

Content hashes

Canonical text3ed5aa237616ee217b2a0a883a6a3f9efb13fb0439d063145a6f18aca1ef756e
Markdown2cc698f7f8904781e69d0e20572f5f8d6038a3d34be347b157172301c8c1d82a
PDF
Publication page3121b1e0e16035285d0036e7273eba798f5df2755c819a9e068c6ffc60f795c2
Manifest81633d42e2f2326800e84ca5f14330c14ed3836a1e9ff302dd950eab53a8d4c2

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
SignatureIkw3djn6GtdZ5emNOqYRiVoiuwYfRGBQJNPa4Ai3/E2XMN9SR14kBZsB5Jq+QgLwzitPLFghBOCgcC5MfzhFAQ==
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

2026-09-17T10:30:03.487515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067813
observed 3121b1e0e16035285d0036e7273eba79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.468847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067813/manifest.json
observed 81633d42e2f2326800e84ca5f14330c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.451712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067813/publication.md
observed 2cc698f7f8904781e69d0e20572f5f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.432554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067813/publication.txt
observed 3ed5aa237616ee217b2a0a883a6a3f9e...
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.