OpenTechnical

OT-2026-000055648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000055648) never changes.

Identity and time

Publication numberOT-2026-000055648 · never reused
Internal UUID01a0ae86-a103-7edf-85b5-09ee83aa7902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055648
StatusPUBLIC

Content hashes

Canonical text6563e8ba8631a961e55dc866063058fa03298f8ebf85d5600e25ac044063b755
Markdownaddeb8d915c7905f1979d4ad01b76a8e1da88fef49468f83b6504bc9e9e9fcaf
PDF
Publication page243d571da1422098d0562a2271a37d113bed0684a95c26a54d58d76d526cce61
Manifest21a7b4cd2bbc1916810bf402e93f1bcf234dff2dae65de49d5f7d1732b6a9fca

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
SignatureRtEdIO96j4KEElZVF+4XSe55ONjlmil50Kwgtmv8mW9+BVqPzsYGae6NX2d1mapd9hQ0FgEzBE88DhTGxNlKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:54.211067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055648
observed 243d571da1422098d0562a2271a37d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.192298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055648/manifest.json
observed 21a7b4cd2bbc1916810bf402e93f1bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.173133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055648/publication.md
observed addeb8d915c7905f1979d4ad01b76a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.155135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055648/publication.txt
observed 6563e8ba8631a961e55dc866063058fa...
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.