OpenTechnical

OT-2026-000061188

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000061188) never changes.

Identity and time

Publication numberOT-2026-000061188 · never reused
Internal UUID01a0ae8b-1380-7e55-8411-94bbbf0a8158 · 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-2026-000061188
StatusPUBLIC

Content hashes

Canonical text3a03c2a42b4e06f95959c7714c1212e514343572694d0674e2de11ad214eaabf
Markdown37e0b2540e74ac37f2de23d13f370651c285e5eca0e063007035a1e60bad822f
PDF
Publication pageb99307a786e1c3d2d99f80cf159ef2480738103f57c316c9a72969e0d821428c
Manifest19483ee2528000d470701b1a6c53e92a2e8d0d731f9df826cf00c153c2f31d2b

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
Signaturem2xaOHmRUe2OvOF9n9Uae8YR8LDpdw+Iqn3fMUcPqy1GjLlw6BKYL+/9dZaeJIjArxuCxaKhfZIGI36BH4SFAw==
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

2026-09-17T10:42:34.973121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061188
observed b99307a786e1c3d2d99f80cf159ef248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.953306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061188/manifest.json
observed 19483ee2528000d470701b1a6c53e92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.933909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061188/publication.md
observed 37e0b2540e74ac37f2de23d13f370651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.915299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061188/publication.txt
observed 3a03c2a42b4e06f95959c7714c1212e5...
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.