OpenTechnical

OT-2026-000087017

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000087017) never changes.

Identity and time

Publication numberOT-2026-000087017 · never reused
Internal UUID01a0ae9a-9f2d-7273-916c-5af498802883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087017
StatusPUBLIC

Content hashes

Canonical textf436d3a3cc80ec4f75c39ecaa27e7492d5988ef5fbdec880186866a7c95b966b
Markdown2cf17d603d223b503817eebb98de95affc4a139b569e7aa89799e5d7e0fdcf54
PDF
Publication paged0455742efcfdb21cd641eaa8109c218b58742dec84f54059a6204075c65adc9
Manifestbf31e6141a9b65aec83a489259418e9fadd34c1e2f13f13326bfbc3af9116a28

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
SignatureSI/x0SFg7rxsHHNveqdwzTNrCTBFI593Fzx9lSyizzbJfu1/KrWYANRe4urKizcVVHQJIA7maxycRxoG6wm4Bg==
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

2026-09-17T09:51:14.341772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087017
observed d0455742efcfdb21cd641eaa8109c218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.324424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087017/manifest.json
observed bf31e6141a9b65aec83a489259418e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.307487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087017/publication.md
observed 2cf17d603d223b503817eebb98de95af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:14.289155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087017/publication.txt
observed f436d3a3cc80ec4f75c39ecaa27e7492...
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.