OpenTechnical

OT-2026-000085820

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000085820) never changes.

Identity and time

Publication numberOT-2026-000085820 · never reused
Internal UUID01a0ae99-e829-7bb5-b9b7-7396bcea6d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085820
StatusPUBLIC

Content hashes

Canonical textba74366feae5a31257f5a8b8d5f7e34583f9a8781125c61543041fe3725ff0fc
Markdownb362f401d391dc0f2ce1cc15b6d6130b65d9b1318e1be9a02f7938a2cdff0da5
PDF
Publication page9d877cb46d875609aadf30e39bc2d9d9c172d03aad52e46a8340e18d5d92b736
Manifest67928b70c14c65adcd2bfca7778e279f2f6b1cef8c48c76c3717cec413eb8533

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
SignatureBXSEyK/dCv4xQzvyxJGNnF7asi2JwROtlemTPETbdU87bOJdyLYiIHkdNmk4Hhmcbka3BS/HLPHH5FR8/dyqBw==
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

2026-09-17T09:52:44.472088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085820
observed 9d877cb46d875609aadf30e39bc2d9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.455394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085820/manifest.json
observed 67928b70c14c65adcd2bfca7778e279f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.438926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085820/publication.md
observed b362f401d391dc0f2ce1cc15b6d6130b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.423019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085820/publication.txt
observed ba74366feae5a31257f5a8b8d5f7e345...
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.