OpenTechnical

OT-2026-000086949

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000086949) never changes.

Identity and time

Publication numberOT-2026-000086949 · never reused
Internal UUID01a0ae9a-80a5-7ee2-b230-798771a564e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086949
StatusPUBLIC

Content hashes

Canonical text91a069722ce0cc96d6a3a78b1f56d15a916b207424984140459061734249e2bb
Markdown1aae9c12878314bcc4d1881883e94f9ddd341493b5372cd0e6066456e173e258
PDF
Publication pagea1e836d01cb7a3956ece9547d0e0290008d7cf56c3a82d6c5a0d547635f1d1f9
Manifest79eb1b0a8110f1f087c7a5c96fc80186457105e30d88e41f05798f26c9631172

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
SignatureMj4bqJp0/31fKD9cDD6P63sN65gxiqPf71cTSbC9Uyd2UzL8j7qPVtHrLhbGsxbLrGojl0iC14QPXtOpI+fGDA==
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

2026-09-17T09:51:50.586999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086949
observed a1e836d01cb7a3956ece9547d0e02900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:50.569506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086949/manifest.json
observed 79eb1b0a8110f1f087c7a5c96fc80186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:50.552084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086949/publication.md
observed 1aae9c12878314bcc4d1881883e94f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:50.535189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086949/publication.txt
observed 91a069722ce0cc96d6a3a78b1f56d15a...
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.