OpenTechnical

OT-2026-000067989

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000067989) never changes.

Identity and time

Publication numberOT-2026-000067989 · never reused
Internal UUID01a0ae8f-c4fd-78dc-8cdc-31b7c0bee2f7 · 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-2026-000067989
StatusPUBLIC

Content hashes

Canonical text677df976fe0fd8765486b08523fb90de25631354dd22c0563175f6d808a5cb24
Markdowncd081ba046e8cbc151fbe8b4a7d26eb4a9e7ac12e005a9a847a05b2c0a921bed
PDF
Publication page0acd9e99ada271f9a48a4bca8a5f08d4a47591ddd3ff4c2579c124c260f1e5ad
Manifest18bb551b13e6cf35261a0fe7f3b437dc840414dc2703f082c17ba4713c299d1b

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
SignaturegvQyDg/aNjfbkB06lIqg8zQpRZETzPdT+pZZQd26wbC82Gze6DTqFI9+bNB6rGvxBml7iMZfKLjGtbTaQk2bAA==
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

2026-09-17T10:30:32.343309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067989
observed 0acd9e99ada271f9a48a4bca8a5f08d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.325426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067989/manifest.json
observed 18bb551b13e6cf35261a0fe7f3b437dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.306442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067989/publication.md
observed cd081ba046e8cbc151fbe8b4a7d26eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:32.289047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067989/publication.txt
observed 677df976fe0fd8765486b08523fb90de...
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.