OpenTechnical

OT-2026-000091267

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091267) never changes.

Identity and time

Publication numberOT-2026-000091267 · never reused
Internal UUID01a0ae9c-f16c-752e-b7be-42abe1e7802e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091267
StatusPUBLIC

Content hashes

Canonical text9bf39ae76d4f2634112a8ed529e28aa1cfc5cb31ab8221974239dc562d73d138
Markdownbf367460436711c5859aa227023f0af5f240b944d2c91c379dfe64b345ee6ff9
PDF
Publication page9900843261fbb20622358abf81677f2aed45e6cf678e63e05105c471a97f014d
Manifest8712dea8381e8027fb06dfa9b46448090b1153920ca7f353abcf2130d2d2878c

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
SignatureTrUvZdX8nQAv1gnoQQGTjoEreV2f1jzX07BDmXyBK09l7sSr0cyhssPg08gWRVTdPztjhcpOOEyPCGlOaNGPDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:26.926870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091267
observed 9900843261fbb20622358abf81677f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.910256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091267/manifest.json
observed 8712dea8381e8027fb06dfa9b4644809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.892832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091267/publication.md
observed bf367460436711c5859aa227023f0af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.875535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091267/publication.txt
observed 9bf39ae76d4f2634112a8ed529e28aa1...
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.