OpenTechnical

OT-2026-000026107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026107) never changes.

Identity and time

Publication numberOT-2026-000026107 · never reused
Internal UUID01a0ae71-a840-7c26-a50d-8798e31c6711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026107
StatusPUBLIC

Content hashes

Canonical textf81adb6854a3623418707986bfe9972f4f354e20fab5a432047de2bba3f89e0b
Markdownbf3a8e5cb0bd6b6671d9081c895aadbb9806cf400b38e4ab1fa01c514e456796
PDF
Publication page599401a3d9762192b664f7d93ee0cbce98948f16c4438dc743080f4d4ed41833
Manifest98a39bfdf82eaebe2d69bcdac07b8026b85cdef3f844fc8d9f0f03d4ae242050

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
SignaturetvjlVIPHEBOtdp2DZh4AOpG951bMErf6tixA2WL5g1GMtpOhcfqDPU3wT1xLHF4OFtPwd8FIOoXbmyZueb6KBg==
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

2026-09-17T11:46:36.520670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026107
observed 599401a3d9762192b664f7d93ee0cbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.505463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026107/manifest.json
observed 98a39bfdf82eaebe2d69bcdac07b8026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.484697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026107/publication.md
observed bf3a8e5cb0bd6b6671d9081c895aadbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.466885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026107/publication.txt
observed f81adb6854a3623418707986bfe9972f...
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.