OpenTechnical

OT-2026-000089405

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089405) never changes.

Identity and time

Publication numberOT-2026-000089405 · never reused
Internal UUID01a0ae9b-db01-78fc-a47d-bb2f254824b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089405
StatusPUBLIC

Content hashes

Canonical text351b9cb892232ee1a7ca7fa740b85fd98471767e10ea657f3df4a30219305a54
Markdown5cbff8d02c4aef472d4f6de0e88ea12f80c2b90dd832be372d58de6ed1c4ce2e
PDF
Publication page9f7326eae3aa731241ea165fc436bf8c431919cdf55be9bbf63c7fbf1e8bf809
Manifestbd81164e4fde6e04cbc3e3833369a137d980e35a38c723113a178d61d6d089b7

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
Signaturev7WbUTJhErEl0rNQWgCGD155/2vOGqh4DTkyXaHLhFLj+K5pH938NfnEgWPb6oPCkJORf+lLyEw21MfVQJquAQ==
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

2026-09-17T09:47:32.748508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089405
observed 9f7326eae3aa731241ea165fc436bf8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.731208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089405/manifest.json
observed bd81164e4fde6e04cbc3e3833369a137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.715363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089405/publication.md
observed 5cbff8d02c4aef472d4f6de0e88ea12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.697912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089405/publication.txt
observed 351b9cb892232ee1a7ca7fa740b85fd9...
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.