OpenTechnical

OT-2026-000071238

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000071238) never changes.

Identity and time

Publication numberOT-2026-000071238 · never reused
Internal UUID01a0ae91-e0ec-741f-b052-4a627fe4adce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071238
StatusPUBLIC

Content hashes

Canonical text34d5c9018e3d7c466610e65d91360e09caf99bd2577811d0a0cff927183081a5
Markdown43cb8dd6561a4f620dc1dcd75cd71916248ea0f49cb09668194a295ec84b16c0
PDF
Publication pagec158ccc197da54e4deaeacae3f406d3024f6ed351f063065f658ca355690348f
Manifest3cbce3107bcdf2aaa0d95deb99888629bbb437538c1423e9cb69d0c2bad4c752

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
Signaturey0qYJKizmGSOs5Iww/oMebW4ZBqobbZUexmPsJkyz8tpN5kcgGjAYbYMJQH3z+vl2lJsFW35qUFzonyFz6sNAg==
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

2026-09-17T10:24:47.132463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071238
observed c158ccc197da54e4deaeacae3f406d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.114637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071238/manifest.json
observed 3cbce3107bcdf2aaa0d95deb99888629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.094286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071238/publication.md
observed 43cb8dd6561a4f620dc1dcd75cd71916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.075983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071238/publication.txt
observed 34d5c9018e3d7c466610e65d91360e09...
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.