OpenTechnical

OT-2026-000095121

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000095121) never changes.

Identity and time

Publication numberOT-2026-000095121 · never reused
Internal UUID01a0ae9f-8f6e-7093-9ff2-1862eb7654ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095121
StatusPUBLIC

Content hashes

Canonical text542aa3aff2254c1d93a99d3ca996a5875934a1bff851947a9bcf377e37fb160b
Markdown2348aac56af0805b14eac820908412b1bd8dea1e6d5079d138b27495c1d2eacc
PDF
Publication page6e4cb74db89ce64beb9399c399ca036d82ae797102190374e0652779aa1be71c
Manifestf7c0fa24384050f59e902574a76be438a176e2d85a38a9527956ec2cce6618fe

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
Signaturegb0GmbBNPFgUPFCpjCIsSd0ve5LJcUPLZYxetJJmbCimJ/otaWo+tS4ZnltMTifJ782cnNRQdsaaAYweUF/FCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:24.947081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095121
observed 6e4cb74db89ce64beb9399c399ca036d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.927936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095121/manifest.json
observed f7c0fa24384050f59e902574a76be438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.907867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095121/publication.md
observed 2348aac56af0805b14eac820908412b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.889519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095121/publication.txt
observed 542aa3aff2254c1d93a99d3ca996a587...
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.