OpenTechnical

OT-2026-000070496

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000070496) never changes.

Identity and time

Publication numberOT-2026-000070496 · never reused
Internal UUID01a0ae91-5460-7b04-9e0f-05e81fe2511f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070496
StatusPUBLIC

Content hashes

Canonical text481822bb0aa6ef06ffa0857df1a09678b986e9e340a2a6ec3f3141c7149afa70
Markdowne13f88f5a3a21a46e1e8c42d9b5204ecee8ee8f95050c9223e38bfa32e15cbc0
PDF
Publication pagecac15588acc7fa4da7b492175e8eb106b53e4bfe6b8c0723c40373e5b45467f5
Manifest7403f49adbb6c81bc2eec75675e6c5e0a6303fcb0b2a7aabb65b4a6cc050e743

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
SignatureOD5A+7HyQhKE4GjO8ji8HmkDM6hLMg5IpB09zHLJQMMS9FxYj5ruubY9GP6pyLA7lccQHm1/PlmXxRYb2zTMDQ==
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

2026-09-17T10:26:19.889409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070496
observed cac15588acc7fa4da7b492175e8eb106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.871992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070496/manifest.json
observed 7403f49adbb6c81bc2eec75675e6c5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.855123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070496/publication.md
observed e13f88f5a3a21a46e1e8c42d9b5204ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.838685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070496/publication.txt
observed 481822bb0aa6ef06ffa0857df1a09678...
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.