OpenTechnical

OT-2026-000078056

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000078056) never changes.

Identity and time

Publication numberOT-2026-000078056 · never reused
Internal UUID01a0ae95-6e8c-7913-a526-4f7b28fba6c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078056
StatusPUBLIC

Content hashes

Canonical text338257ab5573a51433f048b5f52dda9ab3b8fe0ca2d98db0c72db3d52373f9dd
Markdown63da09c91880b8e74a65075c863c349c05b778c90ddd485a145765f4e18b0e06
PDF
Publication page5bc912025049c686946789c01c302da24956c56ddf4c800344bf3a534f21c853
Manifest62aa2b8fc1233faa17238519ed6b4ed03e0358e601d8bcdd8ccd77f90775bb77

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
Signature1GAkVriRCQ8XwM6GvSJbL3vYJSsUR/BpL5l/xxMmyjGDfu6UmNAYLQRy/6sURWv9OurISBQHvS/FksEOOuibCQ==
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

2026-09-17T10:06:45.621912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078056
observed 5bc912025049c686946789c01c302da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.602095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078056/manifest.json
observed 62aa2b8fc1233faa17238519ed6b4ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.583658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078056/publication.md
observed 63da09c91880b8e74a65075c863c349c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.564328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078056/publication.txt
observed 338257ab5573a51433f048b5f52dda9a...
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.