OpenTechnical

OT-2026-000069704

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented before set-down

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-2026-000069704) never changes.

Identity and time

Publication numberOT-2026-000069704 · never reused
Internal UUID01a0ae90-b52c-74e2-959f-54fe8fd3db8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069704
StatusPUBLIC

Content hashes

Canonical text1094f1ad81b6b32c6e66ca2b3fd356ec53fe4aa9c973ac72fa25858e2e4c6ea7
Markdown0515a96880b439733579f0ab11b0d8840347ac10f851a8e3e85940d541428903
PDF
Publication page36d3797fcdfcb9af61c7ca066ac5c1918f2202536900e90a786ef37cc9f10974
Manifestbd7af215e509423f4adbaa97ff546ce6fbf0a67cb3cb8a78f9b20e2c3eaa2602

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
Signature21RuFGlUdnsDXQKd+EMowAka3luaM2f3It/X775zVQsYsilzuJqS+Eo4I5L0V2rQJJWN2BzehqoUSUh2vOFVAA==
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

2026-09-17T10:28:28.295764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069704
observed 36d3797fcdfcb9af61c7ca066ac5c191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.276807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069704/manifest.json
observed bd7af215e509423f4adbaa97ff546ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.254118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069704/publication.md
observed 0515a96880b439733579f0ab11b0d884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.233641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069704/publication.txt
observed 1094f1ad81b6b32c6e66ca2b3fd356ec...
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.