OpenTechnical

OT-2026-000078460

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000078460) never changes.

Identity and time

Publication numberOT-2026-000078460 · never reused
Internal UUID01a0ae95-7c28-74bb-9b0c-01f1b894da4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078460
StatusPUBLIC

Content hashes

Canonical textcfd925b365a18c9b62aca5355576982cf68c87193ecbf230c4be7b69fd224b43
Markdowndd459ec4529e5b75d453913184ae885c679504ff33378730b12a1ca742e8d640
PDF
Publication pagebe82dfe4b110b4f485109d8b309ea9fe3d8175917368042684d5e0e83d9be8c1
Manifestaeb16fdc30da8d3e5a146cb70cb4eb6371912b22ad3509427d3d1e8675d3acf5

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
SignaturebCP1dqz3xGxs3GDQzaS6ebJBIJTVYKOC5jUHJO/K9LJTgNS3pzhRc2OTIUFqCLtgMuAWzXG0GPO+3BlCtmQIDw==
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

2026-09-17T10:06:27.705584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078460
observed be82dfe4b110b4f485109d8b309ea9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.686892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078460/manifest.json
observed aeb16fdc30da8d3e5a146cb70cb4eb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.667746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078460/publication.md
observed dd459ec4529e5b75d453913184ae885c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.648319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078460/publication.txt
observed cfd925b365a18c9b62aca5355576982c...
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.