OpenTechnical

OT-2026-000083561

Publication integrity record

Four bellows 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-2026-000083561) never changes.

Identity and time

Publication numberOT-2026-000083561 · never reused
Internal UUID01a0ae98-0415-7705-93af-daf9d968051b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083561
StatusPUBLIC

Content hashes

Canonical textae71bd3cdb352eb11556efd8fb920d0425f67acf79a7b9fd6e893411d6aae361
Markdown1dc683a0c3373b8b1425d5247309470cbf92c5d12cfb15e2cafb0a17e77daeee
PDF
Publication page133c3c9dd34ec67f26bb7b83e635f70b93f78e5fa7fd394073ff505a21f849e3
Manifestedbf320eba32da6c1f8b6385e789e49d4d8c5f0c76bcc6b2759b30c05a4eb21f

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
SignaturexoF6mKBybQGg07ZaKEeIS4cQul5hOH2pdtVNxJrc0oi3ub+hmrmb4jU8V4lbSeMUmMjZzK3XKNReaqd4imujCg==
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

2026-09-17T09:57:02.861353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083561
observed 133c3c9dd34ec67f26bb7b83e635f70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.843881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083561/manifest.json
observed edbf320eba32da6c1f8b6385e789e49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.827333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083561/publication.md
observed 1dc683a0c3373b8b1425d5247309470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:02.810178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083561/publication.txt
observed ae71bd3cdb352eb11556efd8fb920d04...
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.