OpenTechnical

OT-2026-000016955

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000016955) never changes.

Identity and time

Publication numberOT-2026-000016955 · never reused
Internal UUID01a0ae6e-591a-7153-863b-baa1af0b0c11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016955
StatusPUBLIC

Content hashes

Canonical text40e39fcaa326e6ca77056da3ad3ecb331d7855dc79aa4fe38001d37db0f0e513
Markdown078fd013bfe9df1d6c983c0f5623cf56d10842184537a9f30271720c89e10390
PDF
Publication pagec7b51fda7c318c1ce124ab3ed5c6d265320401fed0e9dd5d274ded8d89342171
Manifestab65840e397016378b50fd85c77659ffdf0885ed6f458f246f8865fbde727a5d

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
SignatureNyQ3MR+eeRb5OpFJlgqMQq1i6iksI8xlIYua98m6KMAUAfB3CqpBEVoiH+sj+OchenDYv3LuKIjJ4Aggkws/Bw==
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

2026-09-17T12:03:14.558288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016955
observed c7b51fda7c318c1ce124ab3ed5c6d265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.540958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016955/manifest.json
observed ab65840e397016378b50fd85c77659ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.525618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016955/publication.md
observed 078fd013bfe9df1d6c983c0f5623cf56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.508284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016955/publication.txt
observed 40e39fcaa326e6ca77056da3ad3ecb33...
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.