OpenTechnical

OT-2026-000089978

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000089978) never changes.

Identity and time

Publication numberOT-2026-000089978 · never reused
Internal UUID01a0ae9c-428e-7b88-bcf0-0501e769d140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089978
StatusPUBLIC

Content hashes

Canonical text68b643d7f177f5883146ff48a513640647f988ef4c9d037b418a34cc26131ce2
Markdownd884ba2629a14f383ad889c58735e35647caaf4a495b8690617b6ce91a87ccdf
PDF
Publication paged707e1a1f3ecc2275bee668befffc1abdcc1276dde63e01f2ebc70779d7203bc
Manifestbc83fe572d5bda4b16e8aff614a61e456ef39ec4050e5779b567a311bc5d79ad

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
SignatureOVpsO4vZSZ7gvUhtbiCG10JtJ1ex895mW5fYBXp78wDjmq3oyFiMKCkcZMFL/DHqQpTHNwkGX/OJV10eQsXHBA==
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

2026-09-17T09:45:22.045137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089978
observed d707e1a1f3ecc2275bee668befffc1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.026885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089978/manifest.json
observed bc83fe572d5bda4b16e8aff614a61e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.008115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089978/publication.md
observed d884ba2629a14f383ad889c58735e356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.989875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089978/publication.txt
observed 68b643d7f177f5883146ff48a5136406...
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.