OpenTechnical

OT-2026-000011075

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented after 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-2026-000011075) never changes.

Identity and time

Publication numberOT-2026-000011075 · never reused
Internal UUID01a0ae6c-540e-7d85-8d98-bca9c26839a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011075
StatusPUBLIC

Content hashes

Canonical textc2b3f6a42b9de341249b48efff34a9e04dbf0743ad534426403fd37239cd9c66
Markdown6c825c052f1969c2bd8a3c1a2d192ea52a7441d759761dd97443aaf685d77a08
PDF
Publication pagee0d1a419aa05edb3130c2fecfd4f260627d251b4b0fe5d00c7c01637302934ce
Manifestab0ccf31c8a318b1f77a01229b37437b51198ac3d26b5b85d01dee16e1ee08c1

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
Signatureyv7qpkSLGWsWp0iNWUJEhM7cLsL966EyuM6CBWb5RMLyTgPcCndcOLtc/N6Zn4fHDluEKzCHUXReSmfA6RW1DQ==
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

2026-09-17T12:13:54.684214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011075
observed e0d1a419aa05edb3130c2fecfd4f2606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.662321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011075/manifest.json
observed ab0ccf31c8a318b1f77a01229b37437b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.640772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011075/publication.md
observed 6c825c052f1969c2bd8a3c1a2d192ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:54.620782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011075/publication.txt
observed c2b3f6a42b9de341249b48efff34a9e0...
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.