OpenTechnical

OT-2026-000061969

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after set-down

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-2026-000061969) never changes.

Identity and time

Publication numberOT-2026-000061969 · never reused
Internal UUID01a0ae8b-b8ad-7873-bc14-a02844d7252e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061969
StatusPUBLIC

Content hashes

Canonical text4c9d8cb912699e4dbe08dfc8dbf98f7bf62857b6abe1663fe07d88b906b67a56
Markdown43151490207ee22a7531c4d38c5893f7ea785a0aa569383a1d5848f53e855091
PDF
Publication page123c2226023e2bdcc0fe33c0b3deda0ab3dba53b56e46e094b072cd2d12ac328
Manifest6bb28056633ca88a7a86032e738f18ef147119c373bfadbfde3de72b35a81921

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
Signature9KGyPRWFhYyNc33brtV1/sd/58NlIFlQt0eE9xafTuP5BcTv66NkPJtvFenZr9N/NQl1hZD3mAi7ijXt1U9dDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:53.133844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061969
observed 123c2226023e2bdcc0fe33c0b3deda0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.110913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061969/manifest.json
observed 6bb28056633ca88a7a86032e738f18ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.086338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061969/publication.md
observed 43151490207ee22a7531c4d38c5893f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.061521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061969/publication.txt
observed 4c9d8cb912699e4dbe08dfc8dbf98f7b...
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.