OpenTechnical

OT-2026-000091950

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three 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-2026-000091950) never changes.

Identity and time

Publication numberOT-2026-000091950 · never reused
Internal UUID01a0ae9d-43bb-7a70-a734-d924db2513ad · 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-2026-000091950
StatusPUBLIC

Content hashes

Canonical text747ba14d969dac592f5eb43c485309ec0d7c74a3dd69a9e5d960321ee4e0e01d
Markdown522e0ec6c0d19cb57f6cbbeb27d93a5062b0a6207d149eb81441fc29cf99d344
PDF
Publication page2924612e8fa6c418da33eb45321821ee4bb50b292f8fe68072a7f576568870c1
Manifest65d13d489984586d90420a93179a3dc97b172fa009b580549dcf2775de733680

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
SignatureGTx3XK+XUC3B5nBx60quaUeD8W54jJUe0sbnucX5IS0gJ6dN7Bclcr3vu3c4VTcu1lfXXiUzYtJQVZXBs1/MCQ==
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

2026-09-17T09:42:54.074074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091950
observed 2924612e8fa6c418da33eb45321821ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.056856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091950/manifest.json
observed 65d13d489984586d90420a93179a3dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.038168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091950/publication.md
observed 522e0ec6c0d19cb57f6cbbeb27d93a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.021289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091950/publication.txt
observed 747ba14d969dac592f5eb43c485309ec...
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.