OpenTechnical

OT-2026-000033251

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed 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-2026-000033251) never changes.

Identity and time

Publication numberOT-2026-000033251 · never reused
Internal UUID01a0ae75-4845-74cf-89a6-3818b9010877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033251
StatusPUBLIC

Content hashes

Canonical texta57ec1dc9d9e280dc2c9f150670d7e84cf9eec13f4e7466eaea73c9858c26fd6
Markdown825c0121eaadb870a36dbee89c410a3fd90b454992e3995b66d16f5015313c07
PDF
Publication page1c8d3f1cf2b391ae8fbde46f8830bb545a29b159e8be0716ceffa7ac48d4af7d
Manifesta0d95fc137beb9661352260f9e22739b66cb6ed63b8b5595bb34d0ca6b032ba8

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
Signature6YsKzltCN8x685bzbwe4Y41Wso9r/a6Q/rpAfFELpV8ykCp1PepIh+adCD88lpEJAPMTCuiE3OiLsp04Iac8AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:57.738434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033251
observed 1c8d3f1cf2b391ae8fbde46f8830bb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.722325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033251/manifest.json
observed a0d95fc137beb9661352260f9e22739b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.705165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033251/publication.md
observed 825c0121eaadb870a36dbee89c410a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.689318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033251/publication.txt
observed a57ec1dc9d9e280dc2c9f150670d7e84...
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.