OpenTechnical

OT-2026-000022170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000022170) never changes.

Identity and time

Publication numberOT-2026-000022170 · never reused
Internal UUID01a0ae6f-f4fc-7d31-8c56-fd1abcadb961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022170
StatusPUBLIC

Content hashes

Canonical text504d807a50ad0272296d8453b432d2a44b8a367db1d21bbc9217b7d4d2340b24
Markdown1b0f7f422e2bc28e925a7c6c8dfd9280f5eb2e42cc9141148df3d47063ba5c1f
PDF
Publication pagedd42995e1a9c11a777024158c68cdfd7ec0518310292f88b9b7fa1ca34edd054
Manifest61db0c81aa68f4bc7c1f62e5ec01f851dd9218d0280165fb07425cbbb7463a69

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
Signaturebp0MAIhWX3Dreo901lW6owRZb0aiiT0P4qvjp/YdN6FuftaXZVQDoVKO/EfG9IL2X7xGJMlDKMCmfNeBtys5Bw==
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

2026-09-17T11:52:51.084909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022170
observed dd42995e1a9c11a777024158c68cdfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.068375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022170/manifest.json
observed 61db0c81aa68f4bc7c1f62e5ec01f851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.051970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022170/publication.md
observed 1b0f7f422e2bc28e925a7c6c8dfd9280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.034147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022170/publication.txt
observed 504d807a50ad0272296d8453b432d2a4...
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.