OpenTechnical

OT-2026-000041949

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000041949) never changes.

Identity and time

Publication numberOT-2026-000041949 · never reused
Internal UUID01a0ae79-e8a7-73b4-b209-bcce2a1097f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041949
StatusPUBLIC

Content hashes

Canonical textb0005388149af734adb4a42bd62a52ddbaaa402960e77553f299c49c34aa4299
Markdownb2a4496fe967eae3df36deb03c966f503cddd4b63976caf0001eee3a06a5ed41
PDF
Publication page5eb56329de73ce6f29b5a2f391f552a1a98a4ec8184d7781a47f38c754014e8e
Manifest1e681ec736f0b4e72d8c1284b015b5cad5c31720d6a9ca2328f0fedfa455d848

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
Signature3nDqq/tMRiB/zsiFrciP4dvzzf31qQOMTFJotEl1fDcwFihRZaJ44S9my8oMdUF61sVmH8O2eH5q5RbAsAm8AA==
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

2026-09-17T11:16:50.355076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041949
observed 5eb56329de73ce6f29b5a2f391f552a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.339012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041949/manifest.json
observed 1e681ec736f0b4e72d8c1284b015b5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.323969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041949/publication.md
observed b2a4496fe967eae3df36deb03c966f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.307488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041949/publication.txt
observed b0005388149af734adb4a42bd62a52dd...
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.