OpenTechnical

OT-2026-000087208

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000087208) never changes.

Identity and time

Publication numberOT-2026-000087208 · never reused
Internal UUID01a0ae9a-9f2e-7bd2-995e-98b0626e084f · 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-2026-000087208
StatusPUBLIC

Content hashes

Canonical textb24f0d4b11cb9d2dcb2cda9bc20e24848d4defe436e3762cdb706347312a07bd
Markdown080add0b4b342c64822062bbdbc0b560fca9cbeed94bd0fcab438f0fb893dd15
PDF
Publication page7cd1d3d2c9a8e166993014f3c2172ccd458be25e86451326f502e07de1eb793e
Manifest91707364459359f11c1e345537aa4aa27bf89b7b0d0ca65c45049711aa62781d

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
SignatureVBof4y3w4UhEMaQ1pwWyNIiw8fvLBsHBsI8P1uh95zDF+/iRzppW0eriKOt9Udk9JyNq15QZJ8n5Ybmi8LZKBg==
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

2026-09-17T09:51:29.239661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087208
observed 7cd1d3d2c9a8e166993014f3c2172ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.219597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087208/manifest.json
observed 91707364459359f11c1e345537aa4aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.199178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087208/publication.md
observed 080add0b4b342c64822062bbdbc0b560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.178709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087208/publication.txt
observed b24f0d4b11cb9d2dcb2cda9bc20e2484...
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.