OpenTechnical

OT-2026-000084974

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-2026-000084974) never changes.

Identity and time

Publication numberOT-2026-000084974 · never reused
Internal UUID01a0ae99-43b7-7b9e-abd5-ae927a11eff9 · 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-2026-000084974
StatusPUBLIC

Content hashes

Canonical text9bf81413faa1453aeef177f4f4deed310b84c9bbe11196afef7c52b2e718453e
Markdown298dc6b8786286e9c729d87b38bc7b7168da1c67ab58fda03232ce2596c141bd
PDF
Publication pagebc03eff760f5e741652fe7af13d5972526a2c604d05d058d5115b1d0a3881a44
Manifestc50c11ed0d49497cd0a47ec962fde3086b03cd284ae72a48f26be76bcb9c9412

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
Signaturepps7QFMwcJr7TWGfSprqxiqGVaFp1+gTjnP51mMCmfpUr9/vfA6xPa3OmQpU8070pk96TOOVcSoy4M5WAAwRBw==
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

2026-09-17T09:54:58.438388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084974
observed bc03eff760f5e741652fe7af13d59725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.420806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084974/manifest.json
observed c50c11ed0d49497cd0a47ec962fde308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.403520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084974/publication.md
observed 298dc6b8786286e9c729d87b38bc7b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.384664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084974/publication.txt
observed 9bf81413faa1453aeef177f4f4deed31...
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.