OpenTechnical

OT-2026-000003602

Publication integrity record

Porous face vacuum gripper, common isolation valve, four outlet manifold, three stage ejector, pressure verified

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-2026-000003602) never changes.

Identity and time

Publication numberOT-2026-000003602 · never reused
Internal UUID01a0a90a-80dc-7aa1-9f8b-abe198892a9f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:12.990538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003602
StatusPUBLIC

Content hashes

Canonical text9cdc21961eced4b1b2ab148f95774d4bc128fbee2bfb531eae8721a977fb542b
Markdown5efb3a8d0edc9014351cde822f0083d28f6162a294d760fa3045f1733393265b
PDF
Publication pagefbcca11b4b27b6204a29a5679e2285b3b9b674c95babcdd911402489df9b01d2
Manifest91f2a55946d0053b8f858393985d4524c0af7c37138076d55c03d6e76c2c8e84

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
SignatureB+1Pp/Gafc/jlsfvlbLjabKB9ZhUPSwsEYsF7RM2+YyEMKPBs13U5j4rMQL1wp8dKo7dWJfYlNaWJNeW5yd2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:34.969991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003602
observed fbcca11b4b27b6204a29a5679e2285b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.955718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003602/manifest.json
observed 91f2a55946d0053b8f858393985d4524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.940633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003602/publication.md
observed 5efb3a8d0edc9014351cde822f0083d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.885585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003602/publication.txt
observed 9cdc21961eced4b1b2ab148f95774d4b...
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.