OpenTechnical

OT-2026-000069490

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069490) never changes.

Identity and time

Publication numberOT-2026-000069490 · never reused
Internal UUID01a0ae90-b52b-757f-9fd6-f1f3a6a42378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069490
StatusPUBLIC

Content hashes

Canonical textd5f0ba2bdeaaf448451ede9f216f421117a0f10a18316c424148101394b88df0
Markdown3898acb68ddec40726b70ae01bd50eaed21b9ac50b1707cc3b702831e8c73dcd
PDF
Publication page48703d3bf89554334c4c3b3624d7ef40d264d0c7940dfa75f509fe27fe0fa35e
Manifest3005608365b6ac64aae5af72a8fff85cd3c7b27edab356935eba4d4226dd4a0a

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
Signaturex/zuOyprCn3jYcsbEU6AgR0y4Mc/oo0twMVoPnoIU7FOmxvu9SXARf/xKJ4bAZkrCGYYa2TWdStrdc8x8H1/Aw==
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

2026-09-17T10:30:34.282179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490
observed 48703d3bf89554334c4c3b3624d7ef40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.265504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/manifest.json
observed 3005608365b6ac64aae5af72a8fff85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.248153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/publication.md
observed 3898acb68ddec40726b70ae01bd50eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.230050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/publication.txt
observed d5f0ba2bdeaaf448451ede9f216f4211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.020332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490
observed 48703d3bf89554334c4c3b3624d7ef40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.002389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/manifest.json
observed 3005608365b6ac64aae5af72a8fff85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.984648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/publication.md
observed 3898acb68ddec40726b70ae01bd50eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:06.966237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069490/publication.txt
observed d5f0ba2bdeaaf448451ede9f216f4211...
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.