OpenTechnical

OT-2026-000045273

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045273) never changes.

Identity and time

Publication numberOT-2026-000045273 · never reused
Internal UUID01a0ae7c-f76a-7508-a9e8-1d76807f4ea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045273
StatusPUBLIC

Content hashes

Canonical text9eb1ad6e4d501d07c868c35868fbcf5370f0091cf2c837a9ed5aa2227fea8c34
Markdown8aec53045c347c8683f190ab444557b6b7dcc69c42f7e14ff92257bda12baf91
PDF
Publication pagecf9ab050b2fd784dd8faab2b88af5e5f0b7c9d19b75c991e65b802bba662a085
Manifest888452ab3068f901935063ea4b453b9f81021a0bf3b2ee1358c307475484752c

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
SignaturepG2bm9Hn/o5CYtm8gHNzN5XTGse9E3bZTs+q5JO6asV6BeFOXguEpOI8bRQDN0gP8OcmHLkVjj6MgxyLgiDdDw==
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

2026-09-17T11:10:29.069339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045273
observed cf9ab050b2fd784dd8faab2b88af5e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.050642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045273/manifest.json
observed 888452ab3068f901935063ea4b453b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.029522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045273/publication.md
observed 8aec53045c347c8683f190ab444557b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.010557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045273/publication.txt
observed 9eb1ad6e4d501d07c868c35868fbcf53...
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.