OpenTechnical

OT-2026-000085004

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000085004) never changes.

Identity and time

Publication numberOT-2026-000085004 · never reused
Internal UUID01a0ae99-43b7-78a4-8f30-dc9aa0ea0908 · 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-2026-000085004
StatusPUBLIC

Content hashes

Canonical textcfbcbb8d556b7567ce93d613ad5352252061e4fa30763eb256e128f2f9921814
Markdown46436f81d8f71f6f1f1a61ddf87399a3e1a91bffce5384e46874c7be7d363141
PDF
Publication paged085a2e4986361a8d0d3fd9bd3779c2faf013f6470769044beb4f905ea299409
Manifest64f19ab902495dc99a03c7990704f926867a7c767a02a5fe3eaed359e60cc7ec

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
Signaturev1VIBFauwfmX4rxIN5C5kqEWcbDI+mpqbI86K1Joh4NcrSaJ0gFxBW94FwbPN+iXTrFo6iLOvOUWRlEpyb4PBg==
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

2026-09-17T09:55:00.536814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085004
observed d085a2e4986361a8d0d3fd9bd3779c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.519103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085004/manifest.json
observed 64f19ab902495dc99a03c7990704f926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.502033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085004/publication.md
observed 46436f81d8f71f6f1f1a61ddf87399a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.485605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085004/publication.txt
observed cfbcbb8d556b7567ce93d613ad535225...
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.