OpenTechnical

OT-2026-000089761

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000089761) never changes.

Identity and time

Publication numberOT-2026-000089761 · never reused
Internal UUID01a0ae9c-1a22-7288-9cc9-65838ad30bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089761
StatusPUBLIC

Content hashes

Canonical text5dc19376f57c455b8298f62dcec85366dca66dc5e6da0d57762e0a03ca790be7
Markdown62272d8e8f414d786aa4f932751a23c5f026a97416349718476afd9aefe40172
PDF
Publication page4d75898b48e7311060beaa8d401838d4929a2b753ede7134bc84c272cb9bfab3
Manifest437feda59262733debf0916545431972ca0784a2df934fd0ccae4e6a62d6e5f9

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
SignatureyflDIFLt1REoc4SOgQaiMMTm/UOizF1uABDK80oy6OYPdplCmVuvypcnhsMIIkJsvIqf2nm4s6ye5jBiJcdDDw==
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

2026-09-17T09:46:50.837472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089761
observed 4d75898b48e7311060beaa8d401838d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.821289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089761/manifest.json
observed 437feda59262733debf0916545431972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.804307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089761/publication.md
observed 62272d8e8f414d786aa4f932751a23c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:50.787260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089761/publication.txt
observed 5dc19376f57c455b8298f62dcec85366...
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.