OpenTechnical

OT-2026-000069647

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069647) never changes.

Identity and time

Publication numberOT-2026-000069647 · never reused
Internal UUID01a0ae90-b52c-7f80-b329-b8565b3705c6 · 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-2026-000069647
StatusPUBLIC

Content hashes

Canonical text9fc0d791763f2dc796061bd47426656680cdbd126f711304f44fb3d4c78800e2
Markdown31ecd5fc00e4ecd9da544a8a6272d3edafdb36deec855331d01c1f3d36c758e1
PDF
Publication pagedecc52aca85f1f32526ce4bc43dbbf402738ba2494d54fc213d60cf003778ecf
Manifestf418679d4933fe5ba2191f972b12ea89580fe3d283ad36a6fe5716fdccf05a7c

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
SignatureXbUzc8XGc4+K/0NUJFyP/XnOrfbIsc095tT7gK0MfrSZI3EzRy9W0sr7RRUghNQa97fka0B3qM+7x8WzMLFtAA==
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

2026-09-17T10:30:40.104670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647
observed decc52aca85f1f32526ce4bc43dbbf40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.088119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/manifest.json
observed f418679d4933fe5ba2191f972b12ea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.070437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/publication.md
observed 31ecd5fc00e4ecd9da544a8a6272d3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.041986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/publication.txt
observed 9fc0d791763f2dc796061bd474266566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.232949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647
observed decc52aca85f1f32526ce4bc43dbbf40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.215473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/manifest.json
observed f418679d4933fe5ba2191f972b12ea89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.199801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/publication.md
observed 31ecd5fc00e4ecd9da544a8a6272d3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.181486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069647/publication.txt
observed 9fc0d791763f2dc796061bd474266566...
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.