OpenTechnical

OT-2026-000070389

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000070389) never changes.

Identity and time

Publication numberOT-2026-000070389 · never reused
Internal UUID01a0ae91-545f-7690-a0f1-9c51ff788053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070389
StatusPUBLIC

Content hashes

Canonical textdb4f5c5cfee9169603868a096e66eb72466a553e95df22da4740c97db58ed87a
Markdown3ef8e513d645744120eb244b57cc49de929e597c7ba16a3fa686680cf8357f26
PDF
Publication page4a2443900f81dd467a426396256ed183124aa0d3a3cee9050257af30adc2b6e3
Manifestb2ee162955528c0fbf313d47fb6b298ae34cec10e56bb550ec92aa0d68c6ac2a

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
Signaturewz7xAd7rjgLDDBkt1fhvdu5Nr2MwHHWoSCWomzn5vNf7Rl8BCRH7ktwImZ6WkBbKr729geUvfkOecc0RGX77DQ==
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

2026-09-17T10:26:11.721622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070389
observed 4a2443900f81dd467a426396256ed183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.702124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070389/manifest.json
observed b2ee162955528c0fbf313d47fb6b298a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.683966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070389/publication.md
observed 3ef8e513d645744120eb244b57cc49de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.665389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070389/publication.txt
observed db4f5c5cfee9169603868a096e66eb72...
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.