OpenTechnical

OT-2026-000089297

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000089297) never changes.

Identity and time

Publication numberOT-2026-000089297 · never reused
Internal UUID01a0ae9b-db01-7336-b838-d424422533cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089297
StatusPUBLIC

Content hashes

Canonical text6b54e2543900d0689518d2d750c5beb1c5cb5e9401e49b6c7e8409ee248adb04
Markdownaae004e4206a6d4746c717a29f27f4a34cfac60368f7886b8dd19d7591beb32f
PDF
Publication page4b0cd5bcdb696fe1d7ebd71c9598b7abcb7c38619d86f965795fe3ec9b65dc55
Manifestb72c07155997fc55cb8f776e09c05eb1a2085ead6103d10a70d5e57b67a4d616

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
SignaturezSfbeuKwAkrdzGblWsbGJVBjLFAe7faFjWm6o8vaRG2XUyAw7k00rsY/W+hPRUz6CylueBOZ6iJh3CsYc59qAg==
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

2026-09-17T09:47:20.715014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089297
observed 4b0cd5bcdb696fe1d7ebd71c9598b7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.698113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089297/manifest.json
observed b72c07155997fc55cb8f776e09c05eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.680824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089297/publication.md
observed aae004e4206a6d4746c717a29f27f4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.663685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089297/publication.txt
observed 6b54e2543900d0689518d2d750c5beb1...
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.