OpenTechnical

OT-2026-000098931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000098931) never changes.

Identity and time

Publication numberOT-2026-000098931 · never reused
Internal UUID01a0aea2-8286-7cc1-b74b-1b3e1a12809b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098931
StatusPUBLIC

Content hashes

Canonical textcd8b267c7323baaada148cffecf06323c2661d28711e0c7b63c6eead00f26c5c
Markdown0485f968ec2280f7c3fd76ba35be1ed481193bb2f94fab25e54e0a32d058443f
PDF
Publication page1d85fdcb326c08a1a41f9f0bdc9f54f94b954205993a15aeb0467d79a77fe996
Manifestaaa82494b95e5200c693614dfd1e3f94333213e51482c4f504cffb9399566b16

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
Signature6UxJXdPuFOgvyQnXjG0BQYfiz7VY16sK3UvZJgVS0sdoGGMOxg+5nUMBxI5j3sCDn7SKEGMaw9UIbj8q6oupCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:59.728995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098931
observed 1d85fdcb326c08a1a41f9f0bdc9f54f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.713846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098931/manifest.json
observed aaa82494b95e5200c693614dfd1e3f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.697392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098931/publication.md
observed 0485f968ec2280f7c3fd76ba35be1ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.681263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098931/publication.txt
observed cd8b267c7323baaada148cffecf06323...
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.