OpenTechnical

OT-2026-000005355

Publication integrity record

Porous face vacuum gripper, common isolation valve, four 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-2026-000005355) never changes.

Identity and time

Publication numberOT-2026-000005355 · never reused
Internal UUID01a0a936-708a-7793-80a1-dffea64b95e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:12.397607Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005355
StatusPUBLIC

Content hashes

Canonical text0cb2ab0d4e9252347a05656e3a67971f91ca274533ec9c71c4adf49a14d0bb6e
Markdownb92f761598b4b685695f5c3aa12c9e7410e92c50ba966d0be642d4d2832b2657
PDF
Publication page3d44b5ecdc5577f2dfe9cd4b29fa753a0b0d10edb658eb8d167dc3cf2cb84293
Manifeste141409af70fb59115df7e3457981a9f53eb16110038cbebe0695c0e964d1342

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
Signature96GOPrNjDZAk8i7aizoTwKZ9noj5WYZ3M4bjB7XWW3zqGJ3AKaNuRH+do6RGhF2y47wgfkMyOL2OKrFISO9uAQ==
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

2026-09-16T08:00:18.992558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005355
observed 3d44b5ecdc5577f2dfe9cd4b29fa753a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.978714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005355/manifest.json
observed e141409af70fb59115df7e3457981a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.961607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005355/publication.md
observed b92f761598b4b685695f5c3aa12c9e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:18.943792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005355/publication.txt
observed 0cb2ab0d4e9252347a05656e3a67971f...
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.