OpenTechnical

OT-2026-000084980

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000084980) never changes.

Identity and time

Publication numberOT-2026-000084980 · never reused
Internal UUID01a0ae99-43b7-73a9-b725-af65f08759fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084980
StatusPUBLIC

Content hashes

Canonical text1117bbea963956c0e8e9d47a0ea7f7bb5114461395b921c03dfa73672800459f
Markdown734f7fd77698069f9155596c520255900e03ee75c993b85e6337d465d3cc1ae4
PDF
Publication page0b4af8f6e3e83755ab842653a6208d89241e05d72d76e3af5d5398c512b59813
Manifest6cf741a4f397995f608ff7bab5408f92b63fa0ec263334700773e4798d2337a6

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
Signatures+aulvhomhoZ5T82fUG8F5T+SsiTlkUUwAe8cS8uFPAUlzTWUKjDig37GxJMnc6OhTabkREVsRrdbUnVb8Z8CQ==
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

2026-09-17T09:54:58.868558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084980
observed 0b4af8f6e3e83755ab842653a6208d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.851966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084980/manifest.json
observed 6cf741a4f397995f608ff7bab5408f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.835326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084980/publication.md
observed 734f7fd77698069f9155596c52025590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.819343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084980/publication.txt
observed 1117bbea963956c0e8e9d47a0ea7f7bb...
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.