OpenTechnical

OT-2026-000084383

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000084383) never changes.

Identity and time

Publication numberOT-2026-000084383 · never reused
Internal UUID01a0ae98-5b62-7fa1-9e3b-dd2d5f43785f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084383
StatusPUBLIC

Content hashes

Canonical text65214f6e28ebcb017b1d837249825e85c37fca72cdb76da35cb7624f4f6a18ef
Markdownea61111a3daaff6c7c5bbb2caec4b3750bc7ec850f7db3c5b44dca6898dcbd05
PDF
Publication pageb0304a9435eb81f44a8b023bd4f19810eb93b4ae2ce7081f3823308a894fbbc0
Manifestc493d8593a4bc1344df455ace4cfc14bd5f3b6bb51032500d7842b135a7eede4

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
SignatureyQgPEOXdt+cPlPjjp7RxzJHPhuZcLiIf/vNUPi2KwKk3p4/sfs47qRF+EGobAXBzkp/D70rWpcp8M4PW5ZgGDA==
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

2026-09-17T09:56:19.440312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084383
observed b0304a9435eb81f44a8b023bd4f19810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.423562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084383/manifest.json
observed c493d8593a4bc1344df455ace4cfc14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.404824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084383/publication.md
observed ea61111a3daaff6c7c5bbb2caec4b375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.387367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084383/publication.txt
observed 65214f6e28ebcb017b1d837249825e85...
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.