OpenTechnical

OT-2026-000085770

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000085770) never changes.

Identity and time

Publication numberOT-2026-000085770 · never reused
Internal UUID01a0ae99-e829-7305-9b04-ddbe0f4eaa4f · 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-2026-000085770
StatusPUBLIC

Content hashes

Canonical textb67bc33b6f84027cf35a81b12ebf1d7a35fdb8bc402fdbe52da6afdd1e436200
Markdownf4284d390db459e70aee652216bdd6684cabc71458dd84adfddfe41c81ffe381
PDF
Publication page5e72bf73fa86ac28fce6da25e11bf96cb60c4ab33870f95f3f9b4a0d88477b8f
Manifest30612cf59fdaf06c49b3cb97286f9101a392d8a2697d894c86e60917d5b44197

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
Signaturey/I4GU1suSlJGzwcighiMhMXIk9j/ukRMjtSxW6MeQgm6RXfKoga5TyrfQpcJ05c7/g1BASnTYUWqYewxy7WBA==
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

2026-09-17T09:52:39.742451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085770
observed 5e72bf73fa86ac28fce6da25e11bf96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.727050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085770/manifest.json
observed 30612cf59fdaf06c49b3cb97286f9101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.709536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085770/publication.md
observed f4284d390db459e70aee652216bdd668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:39.692840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085770/publication.txt
observed b67bc33b6f84027cf35a81b12ebf1d7a...
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.