OpenTechnical

OT-2026-000086879

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000086879) never changes.

Identity and time

Publication numberOT-2026-000086879 · never reused
Internal UUID01a0ae9a-80a4-7487-a66b-976590d80009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086879
StatusPUBLIC

Content hashes

Canonical textc36d76c0e1499a1b7717709d38a36f2689a75643f7c8d9f5aac1723385979dfe
Markdown16750d04bd2aaf427df8c92f0c69245cf7c5f666c6cf248d503df354940a7c45
PDF
Publication pagebdac0eca339226eb93dd47a5047077635f03d92e14c77754c7ccc832f1dc26a9
Manifest739ddf6c73adbee5d24493addabfdddd8e08f628b129205ba44ad0f8bbe8d956

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
SignatureINIhzml2IIuvnYDibXyqOwsAGhDPa/U8Tnd/VWIE+dghORBPGgX/syBQDp+bYoqpc/Ow0Zgut8N0Q70Dg71kAw==
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

2026-09-17T09:51:43.448363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086879
observed bdac0eca339226eb93dd47a504707763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.430242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086879/manifest.json
observed 739ddf6c73adbee5d24493addabfdddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.411596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086879/publication.md
observed 16750d04bd2aaf427df8c92f0c69245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.394442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086879/publication.txt
observed c36d76c0e1499a1b7717709d38a36f26...
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.