OpenTechnical

OT-2026-000055773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000055773) never changes.

Identity and time

Publication numberOT-2026-000055773 · never reused
Internal UUID01a0ae87-09cb-7caa-8aa0-a40f7a73ccae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055773
StatusPUBLIC

Content hashes

Canonical textbf9c5a328c1107dad6b04a77f86e4fed5eca3193266d6ba569760781ccc71524
Markdown9e9247f29c63d069967e7bd6638f6f8b250e1790c09fb91d80d677fe99f16b35
PDF
Publication page448cdf8ce032221f55a580e9cc3eab4b67b0bcb27d60f233564ebb21c49baaa2
Manifest928b70e0940a298dbdde034bc39672c326f8af5f09fe35ea6c805f087995aaee

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
SignatureyCC1TnEXfJSjvdP6QXzElip4XDK7jbyJJjBgDwsCxsBvrSGFR5WgyeaO8HuDvGkSFpAItfL4g5hMsEl9WMtLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:07.867899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055773
observed 448cdf8ce032221f55a580e9cc3eab4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.849390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055773/manifest.json
observed 928b70e0940a298dbdde034bc39672c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.831887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055773/publication.md
observed 9e9247f29c63d069967e7bd6638f6f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:07.814317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055773/publication.txt
observed bf9c5a328c1107dad6b04a77f86e4fed...
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.