OpenTechnical

OT-2026-000091738

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091738) never changes.

Identity and time

Publication numberOT-2026-000091738 · never reused
Internal UUID01a0ae9d-43b9-7aff-b1bd-8ee635ae6eba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091738
StatusPUBLIC

Content hashes

Canonical text968a98a8f265e928589fbcfe19ce8b75eea17644752d38f5339fbe9e0003801f
Markdown436bb56d8dbf6e0023d94bbba90d5c2b2668a73140d473ce2a9d4ca397bd8d94
PDF
Publication page6621e5ca2a6eafcd60146fc84f9e7537e770f666ef2f7a8f979aaa5dd3b80d39
Manifeste8a5d9570ff2060344dbc2f08ba4da35bed991183782475435be0e64a97a2c73

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
Signature3gSSBxuzkQT95vmOCx/HCMO8P8OpNDN5ybaE9fCvnOnSnYXk+yugTSCTNDcCAdLWInf4p7u34JsQ4P0wqxTzAw==
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

2026-09-17T09:42:37.574577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091738
observed 6621e5ca2a6eafcd60146fc84f9e7537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.558424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091738/manifest.json
observed e8a5d9570ff2060344dbc2f08ba4da35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.541669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091738/publication.md
observed 436bb56d8dbf6e0023d94bbba90d5c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:37.525622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091738/publication.txt
observed 968a98a8f265e928589fbcfe19ce8b75...
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.