OpenTechnical

OT-2026-000085967

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000085967) never changes.

Identity and time

Publication numberOT-2026-000085967 · never reused
Internal UUID01a0ae99-e82a-73a7-99f6-7616475d7d00 · 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-2026-000085967
StatusPUBLIC

Content hashes

Canonical texte52ee2d46aa959876f7ac3ad7a19b0baebfd15b409e6da237981ad7ea2e0a2b7
Markdown1a48cc1e481a05ae0825442644dc762aa037b6898191f79d201c833aac3eecfb
PDF
Publication pagec50ddb77ff532cfee1f744448b3b96844501355dc3430ead71924d8e9af7ca8f
Manifest502ff0be82cf6b22d4734657f598d6573873afd41a737f623056f731008ddabd

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
Signaturev00iu61jIaeUqWtaCYiuS0rdAIdGA2EwjVNDBRGlFW6JrNjsEhm4K1A3Ctu8WwNRiPd3dWv/knPrTuWX9sZpDQ==
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

2026-09-17T09:52:56.087138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085967
observed c50ddb77ff532cfee1f744448b3b9684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.069345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085967/manifest.json
observed 502ff0be82cf6b22d4734657f598d657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.050431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085967/publication.md
observed 1a48cc1e481a05ae0825442644dc762a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.033456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085967/publication.txt
observed e52ee2d46aa959876f7ac3ad7a19b0ba...
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.