OpenTechnical

OT-2026-000026873

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000026873) never changes.

Identity and time

Publication numberOT-2026-000026873 · never reused
Internal UUID01a0ae72-3452-758b-88a7-92e6229564f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026873
StatusPUBLIC

Content hashes

Canonical texta0eaec0f615efd762d87a761f7dc2ced1112cbde4ac4ed38d58ed8b31fc7af76
Markdowna86a9fffee2c5c60c023bc94cdcc8c14b09f53e16b9157e16751b5178490b004
PDF
Publication pagec75a7ebb4c2c7c7eb0e965b78afe6b6ad4da63bdc26e2e6acaabde4462c49132
Manifesta4fe36d793830b9d36ba9cfa714d4c89e4cbc91279bfc16f6009a38c42e35f76

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
SignaturehimDn+OAiIHtfVDEd0q3IpgeBW9xKw8xZV7gZa2oyOPlKp45HcN8IomeW98YAr+J/F4ORZOmSrHZPAb8sFPOAQ==
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

2026-09-17T11:43:28.638439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026873
observed c75a7ebb4c2c7c7eb0e965b78afe6b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.622421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026873/manifest.json
observed a4fe36d793830b9d36ba9cfa714d4c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.605300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026873/publication.md
observed a86a9fffee2c5c60c023bc94cdcc8c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.588885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026873/publication.txt
observed a0eaec0f615efd762d87a761f7dc2ced...
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.