OpenTechnical

OT-2026-000005389

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, sustained blow off before set down

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-2026-000005389) never changes.

Identity and time

Publication numberOT-2026-000005389 · never reused
Internal UUID01a0a937-7d37-7208-beb1-b7408d0b0bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:21.178335Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005389
StatusPUBLIC

Content hashes

Canonical text67ce832ee2ddfc01ec90f24a78a8ac3fd00d5e23c1d82fcf9d65e91804b1b67d
Markdown890ef418fe9f1f5816b47de27139dcf8b8af9235a76862ed4a6c98753a6cf7fd
PDF
Publication pagef826a797f68f43addd5a02c9aa78f49dcd33edf01d0d6ccce1a5fb5f6eb0d18a
Manifestc92382a5b7bbf59b6e89827d40e9ca5523703c887e3fb54a32d7863d0168e313

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
SignaturerkwkgPFwdIeT5W/K/tNkucDmrSQzMvfrF6qK+jt5qAPb/Coa3qTz4bXxqHL5PqiS9UHpUnCveQBCIr3H3tWkAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:15.168435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005389
observed f826a797f68f43addd5a02c9aa78f49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.155203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005389/manifest.json
observed c92382a5b7bbf59b6e89827d40e9ca55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.141105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005389/publication.md
observed 890ef418fe9f1f5816b47de27139dcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.125717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005389/publication.txt
observed 67ce832ee2ddfc01ec90f24a78a8ac3f...
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.