OpenTechnical

OT-2026-000050211

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000050211) never changes.

Identity and time

Publication numberOT-2026-000050211 · never reused
Internal UUID01a0ae82-5c46-7ddb-a8ba-d2b0d598a67f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050211
StatusPUBLIC

Content hashes

Canonical text819aee33d3bafec6815736a1718ede698acd21642bd76d273ab19e636d1b190c
Markdown84ef77695edaba69b27ad834d052ba901898da05f2351caf134982a7ab4300db
PDF
Publication pagef4896fed5e497c1b912a85f74dab05fb5893b4a29c3acf27c7e0ca4ae30a5162
Manifestd803a93ee0fce5bfc57912477cc1b70dc06d8940e571ce38e94edfaed3f5124b

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
SignatureKrOhe0BFp5ecfXLRvZVw1aIjbzejTRcNojkCF5Ev1iiQ0PpK92HZGO8bdDt9Ahbug4KjTWO4qfuDAezGnIKuAA==
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

2026-09-17T11:01:12.106682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050211
observed f4896fed5e497c1b912a85f74dab05fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.089308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050211/manifest.json
observed d803a93ee0fce5bfc57912477cc1b70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.072492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050211/publication.md
observed 84ef77695edaba69b27ad834d052ba90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:12.057101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050211/publication.txt
observed 819aee33d3bafec6815736a1718ede69...
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.