OpenTechnical

OT-2026-000030639

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000030639) never changes.

Identity and time

Publication numberOT-2026-000030639 · never reused
Internal UUID01a0ae74-3fb3-775d-8b6c-2413c5515f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030639
StatusPUBLIC

Content hashes

Canonical textaaa9b543432b82dcc832d5d52a7877c82e0994604da08565e3d5e57ef1ad8afd
Markdown46e8d301ce736e023788725453d71108c8818d20389ea6216d1e941b4a65b989
PDF
Publication page75340d7b609567835a4f3d3bfec63e4fe05f564b3e878dac574c569402108e55
Manifestfb17ca5a4365852372c88255e36b85f279621c0684238382f32f052b57a3d9ff

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
SignatureDpkOzU+Wat8klUbeRj3ZDBejxafIgt2arpJuP+5qU0Cu3eOJ1L2hyC8/vgOXzw3mx6MyXUwHCLbobkyT6zy5DA==
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

2026-09-17T11:36:30.985403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030639
observed 75340d7b609567835a4f3d3bfec63e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.967777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030639/manifest.json
observed fb17ca5a4365852372c88255e36b85f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.947571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030639/publication.md
observed 46e8d301ce736e023788725453d71108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:30.928407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030639/publication.txt
observed aaa9b543432b82dcc832d5d52a7877c8...
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.