OpenTechnical

OT-2026-000005271

Publication integrity record

Porous face vacuum gripper, common isolation valve, three outlet manifold, two stage ejector, contact triggered

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-2026-000005271) never changes.

Identity and time

Publication numberOT-2026-000005271 · never reused
Internal UUID01a0a933-7306-7176-ad42-38cd24e9bbdf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:56.425016Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005271
StatusPUBLIC

Content hashes

Canonical text066a96f21bfa75c9a9bf48e5c784926a7e39baf18b675e624b4d5f7f350a8a4d
Markdowncc04b2f5deceff08e8fae4779d48d14fdc430f99ea041969e76133cbaf52ab04
PDF
Publication pagef0d6a74cf04c90514939bb6698fd704017528104eb2835d5339881896c38c47f
Manifest195003cc148db28c2d031410e8160390af9cb893b26ef58d145a9555c850c774

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
SignatureooPhj1Pij69WFM5LNIf/WTCi2LWukc+I+I4TzEG4eqT1kvFRiI1Ty+/U5C9ZV57uKgxgFbwac0xC4BEXgQdtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:28.386259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005271
observed f0d6a74cf04c90514939bb6698fd7040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.371761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005271/manifest.json
observed 195003cc148db28c2d031410e8160390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.233187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005271/publication.md
observed cc04b2f5deceff08e8fae4779d48d14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.218858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005271/publication.txt
observed 066a96f21bfa75c9a9bf48e5c784926a...
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.