OpenTechnical

OT-2026-000092875

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000092875) never changes.

Identity and time

Publication numberOT-2026-000092875 · never reused
Internal UUID01a0ae9e-090e-7aba-9ccc-69c61660e44c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092875
StatusPUBLIC

Content hashes

Canonical text36e386c0f9ed63ed389d45f99a1e2c9faaf0484a76e8828778f5c8a3f40a1947
Markdown2683473d9398ee9d12f784e9f4615f9586e108a358d6d91d9724d49288d50a3d
PDF
Publication page70e17ae954797c7e91e15b390febe7d888bf3030da606e69f47683172d44caa8
Manifestaa2c71ab29afe9bee4882d676893b4e6f9d402b3881e6346d6ea4e5769a59677

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
Signature2qaoxtNQptCO/2KM+pYmyCK8yKXQWQP4pcq2m5zSBG5zTXMT2VEni94AmBhP2ouiCDJ0tEBi382/woRBVSPzCA==
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

2026-09-17T09:39:58.925717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092875
observed 70e17ae954797c7e91e15b390febe7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.909574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092875/manifest.json
observed aa2c71ab29afe9bee4882d676893b4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.891907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092875/publication.md
observed 2683473d9398ee9d12f784e9f4615f95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.872333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092875/publication.txt
observed 36e386c0f9ed63ed389d45f99a1e2c9f...
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.