OpenTechnical

OT-2026-000005844

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, vented before set down, silicone cups

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-2026-000005844) never changes.

Identity and time

Publication numberOT-2026-000005844 · never reused
Internal UUID01a0a946-c374-72d3-baa4-137772bd260f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:02.198909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005844
StatusPUBLIC

Content hashes

Canonical text0d5e675bcf61d04cb559d0460e46afe4c36bdde93cf45e85718f49e9602e0bcb
Markdown2af2a4d8d7bfe400a6c20c8ada42d7c1815d1289c8305d550fd85e3a8de9518c
PDF
Publication pagef3c0136c23e2a1ef34bb2f90dd44a88d549c525fed3dc80393c537e4451bc9ed
Manifestc38775b05a9ffda1ce59c8275d1cbb7ae85876226939aaf475268a759c603b51

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
SignatureyeSPeML2oMKUuvH46FH9yDWbWb6nL2eN7mYZTDwR6dyTGmzq1Du4d3yA9q08PDyvPtJvXo4n25IA+fRe8vmVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:26.237780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005844
observed f3c0136c23e2a1ef34bb2f90dd44a88d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.223660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005844/manifest.json
observed c38775b05a9ffda1ce59c8275d1cbb7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.208661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005844/publication.md
observed 2af2a4d8d7bfe400a6c20c8ada42d7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:26.193997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005844/publication.txt
observed 0d5e675bcf61d04cb559d0460e46afe4...
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.