OpenTechnical

OT-2026-000086733

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000086733) never changes.

Identity and time

Publication numberOT-2026-000086733 · never reused
Internal UUID01a0ae9a-2c99-7f8e-ab8c-8c30a806c437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086733
StatusPUBLIC

Content hashes

Canonical text6ad3e4bd1739d720de1b80add051890585832844feb71c649e528d93cdf03bcf
Markdown99281db5908fe87608be5bbc63b14652edfb00d07d5f2a53bb4621bd0e2fcc91
PDF
Publication pagef6733cb21a5bf3da8e7f9aba04dc6c59644462923fc1f1c1a96530e452f7fbea
Manifestb42639d6dcb7345aaf7389eefa89aaa8c322d47aee8a163aff08788a48e208af

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
Signaturex5EjZDdLcqeRUpY/XExmRqfe+p1OGKrx02C7kTQMFUtOTiIJkNqyu26mNA0La6T7QH/vxYzBLGdpBZa/mhhHDQ==
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

2026-09-17T09:52:36.750699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086733
observed f6733cb21a5bf3da8e7f9aba04dc6c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.734377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086733/manifest.json
observed b42639d6dcb7345aaf7389eefa89aaa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.717622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086733/publication.md
observed 99281db5908fe87608be5bbc63b14652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.700490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086733/publication.txt
observed 6ad3e4bd1739d720de1b80add0518905...
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.