OpenTechnical

OT-2026-000072360

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000072360) never changes.

Identity and time

Publication numberOT-2026-000072360 · never reused
Internal UUID01a0ae92-47c3-7034-93b8-1f295c8f9d91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072360
StatusPUBLIC

Content hashes

Canonical text69b025b3487dec973e866cf08c98720aa4de34f09fa35f61157436f875d90872
Markdown663e9307dc5bf557fc27892c11aceae18fbffd6365e94cb0706381e94ce2bb99
PDF
Publication pagea19aa85d35e0df33f76fa4d217b4e088e192f0d99b6b5c142aeb1f9d008778a4
Manifestff390cf87c2cd25f20f263db2182f40da1f799e6560cf45ffb663c08642a67f8

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
SignatureTtrC81W3F/vLlVoVRAu7oWMRCm+w/L6MGF/ddddVRzpqhLwG81BJvQhyOCn2oCgQIs44ghxnN1caYLwox20TAQ==
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

2026-09-17T10:23:35.708311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072360
observed a19aa85d35e0df33f76fa4d217b4e088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.690913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072360/manifest.json
observed ff390cf87c2cd25f20f263db2182f40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.673395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072360/publication.md
observed 663e9307dc5bf557fc27892c11aceae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.656478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072360/publication.txt
observed 69b025b3487dec973e866cf08c98720a...
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.