OpenTechnical

OT-2026-000071935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071935) never changes.

Identity and time

Publication numberOT-2026-000071935 · never reused
Internal UUID01a0ae92-47c0-7456-b2c0-50e2dd402f6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071935
StatusPUBLIC

Content hashes

Canonical text366bcb67f43ca3e02cb0a42b227ec8e058993678e5cfd46ad94d97e33e1aa7c6
Markdown021dfb8ed73c8636cfe9327b66724b40887e30ec910c60567970382d70c20aa6
PDF
Publication page1d9c556880394be136576b481af04d737c050f8d14bc0f3ae83d88a6d8c753ed
Manifest26c78f01bebb2d17146d6759fd08cdac753893d6def3f9c0ed0fef8b6de95a10

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
SignatureJSfBzb/1jI306aA97HTy5rt/8NV3KC7OhdkjP8f73sAukKBN1FPCUIAMvguQazZi4vQk2hkFjglBEPenZlkfDg==
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

2026-09-17T10:22:58.005836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071935
observed 1d9c556880394be136576b481af04d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.988281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071935/manifest.json
observed 26c78f01bebb2d17146d6759fd08cdac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.971157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071935/publication.md
observed 021dfb8ed73c8636cfe9327b66724b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:57.953999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071935/publication.txt
observed 366bcb67f43ca3e02cb0a42b227ec8e0...
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.