OpenTechnical

OT-2026-000069645

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-2026-000069645) never changes.

Identity and time

Publication numberOT-2026-000069645 · never reused
Internal UUID01a0ae90-b52c-7e96-8949-167c6b68869c · 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-2026-000069645
StatusPUBLIC

Content hashes

Canonical textcce7cdf2d4adac0d236ffb59b533784581a691c77380c353797f3dfe5ebb4fca
Markdown032dba5d68c4789e1ee18c74854bdaea22e7b22ee8d3a80244b6e5f89881be20
PDF
Publication page9e792f715a0a9fba709a4f4eb93b27e31dbe5c11a6c816f7a7e8d910b093d748
Manifestf889da2d7bb5c67cf0641a5c2df135774f306bc726b85b3cee1bd7a20d4dd6cf

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
SignatureXTVBJesfrR/Z8fF27NuH7530ZxYlAqNU8tS3i+k+qhqd4fLtMWDLaBTQpmUXKeKBwQE+myznpDFWooxXn2KvBw==
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

2026-09-17T10:30:36.568563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645
observed 9e792f715a0a9fba709a4f4eb93b27e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.552471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/manifest.json
observed f889da2d7bb5c67cf0641a5c2df13577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.535004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/publication.md
observed 032dba5d68c4789e1ee18c74854bdaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.511402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/publication.txt
observed cce7cdf2d4adac0d236ffb59b5337845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.655760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645
observed 9e792f715a0a9fba709a4f4eb93b27e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.638377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/manifest.json
observed f889da2d7bb5c67cf0641a5c2df13577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.618345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/publication.md
observed 032dba5d68c4789e1ee18c74854bdaea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:09.590876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069645/publication.txt
observed cce7cdf2d4adac0d236ffb59b5337845...
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.