OpenTechnical

OT-2026-000044987

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000044987) never changes.

Identity and time

Publication numberOT-2026-000044987 · never reused
Internal UUID01a0ae7c-911d-7aea-bc55-5c53388cb720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044987
StatusPUBLIC

Content hashes

Canonical text947483446466a66fe02bacb8cd395a8666411d50b286b0d5795085a3e476505d
Markdownf4e5ed5ce79ee04d1eb9796a844a4f20f60d7136dad3701fee12509cfee27032
PDF
Publication page396b43ace74e0e32003147ba706a1fed37b46c8b52e2faf8ba5e6332102203dc
Manifestffeb6056fefb5f5077a3e669f2eb0706dd2ec28a4192d300745fae0d54a39b98

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
SignaturemnDOdWZUwKGc/oIbnSsHxKkg01i0tkR5dyOiOUkQFFHm0ygEklAKQO/Oic77Qe4Z9qTkeopKVgREngZ1gkeaDw==
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

2026-09-17T11:11:40.740922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044987
observed 396b43ace74e0e32003147ba706a1fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.722032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044987/manifest.json
observed ffeb6056fefb5f5077a3e669f2eb0706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.705369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044987/publication.md
observed f4e5ed5ce79ee04d1eb9796a844a4f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.686142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044987/publication.txt
observed 947483446466a66fe02bacb8cd395a86...
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.