OpenTechnical

OT-2026-000061325

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000061325) never changes.

Identity and time

Publication numberOT-2026-000061325 · never reused
Internal UUID01a0ae8b-1384-7276-95de-afa44200885c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061325
StatusPUBLIC

Content hashes

Canonical text2bd603206dac94c9f238518fcd7dad41203c43190aa7848802b130e77cc10d80
Markdown31dd4192540c6083db2a3375d532d954b6587f067f2c34c2506264c46e2a080f
PDF
Publication paged65d95317f24a7c1dad97a7378b3e6dba3fa596f0ba8851e3b7eae530f88005c
Manifest578b3181a02ee544f6ff4fe58d3608843975fcc9c0fcf30a48b03b6b261b9247

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
Signature8ivi4T/bZL3Gf4IOjwLYDMjnv/NWWjnKkOlWJnZgf1WYfX4e+ZBByOrkq3ItDi+6EXYGGjkgBQuppbYM6KlBBw==
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

2026-09-17T10:42:45.716841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061325
observed d65d95317f24a7c1dad97a7378b3e6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.699976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061325/manifest.json
observed 578b3181a02ee544f6ff4fe58d360884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.682876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061325/publication.md
observed 31dd4192540c6083db2a3375d532d954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:45.665662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061325/publication.txt
observed 2bd603206dac94c9f238518fcd7dad41...
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.