OpenTechnical

OT-2026-000054412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000054412) never changes.

Identity and time

Publication numberOT-2026-000054412 · never reused
Internal UUID01a0ae86-1282-7092-ab0a-8d71be8ae248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054412
StatusPUBLIC

Content hashes

Canonical text6af28e27180240a31bf1084b8027917a8f1ac102f6f511bf2cfea7299ca71ed2
Markdown9236a2769b7bfa5f994af03164b9f939bbca649819128220a85e3959f8e1c70c
PDF
Publication pagefef0587af91611927d72bef1738eb2ce66b6570c9e29f82743adbd492c1b4f8f
Manifesta2f9e7c163e5f916e726bdb9dfed8cfb72c4145766271588d5dd64defc845703

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
SignaturerUCVt9S80I8M2XH5US87/JORMTsIukiYeFORWarJ2SN1dxCqUpPUZyvm7aP6KVxDWKm6f0e0ciiapT4x3HQwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:23.512182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054412
observed fef0587af91611927d72bef1738eb2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.494693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054412/manifest.json
observed a2f9e7c163e5f916e726bdb9dfed8cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.476757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054412/publication.md
observed 9236a2769b7bfa5f994af03164b9f939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.460010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054412/publication.txt
observed 6af28e27180240a31bf1084b8027917a...
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.