OpenTechnical

OT-2026-000078948

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000078948) never changes.

Identity and time

Publication numberOT-2026-000078948 · never reused
Internal UUID01a0ae95-ccbe-7a2c-b589-195cfb24cb23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078948
StatusPUBLIC

Content hashes

Canonical text92e2d2cf897fee09a4d7b828634636303093276e94b06c36494a3b7275928d87
Markdowna45ff08436c0bbc874381f6466abdf4a5535c8d1bb7fc15cd92077c1276bc2fc
PDF
Publication page47abdf8038d2d17d2de5ee3d3c036d5b9da221f32cd0b72b07a7893c4d2790a3
Manifest91575fa95925712febe647662f15a04c08d30fa8604cd217f6805c0b49ff726f

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
SignaturekAvKeSTkAzMg7S/a62BfcGfvE/1ANmGoF76/lQlWwkOyiVmoIkiml9nFJ6hMMq5QdRkKHGrKZ36LK5SwGZHyAA==
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

2026-09-17T10:05:46.377078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078948
observed 47abdf8038d2d17d2de5ee3d3c036d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.359255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078948/manifest.json
observed 91575fa95925712febe647662f15a04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.340669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078948/publication.md
observed a45ff08436c0bbc874381f6466abdf4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:46.322115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078948/publication.txt
observed 92e2d2cf897fee09a4d7b82863463630...
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.