OpenTechnical

OT-2026-000060169

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000060169) never changes.

Identity and time

Publication numberOT-2026-000060169 · never reused
Internal UUID01a0ae8a-5a72-74f3-8c44-a4c9e220b9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060169
StatusPUBLIC

Content hashes

Canonical textf3b1b4fd1b4d12a5a7776ed38aac835f4417c2e19a1b394a58203bee30f55e0e
Markdownb715dbbd9b127cda2c45d0de39110b69baa24811a1c053e5afbd1889ad02df5f
PDF
Publication pagecd648a0d2b103f450bc614107637d1391676c8d28bdb29d3455dcf197d4e9520
Manifestb073675520e121f4c6cbb88ddccef4d01720005a676df47f60f63153d3123b90

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
SignatureUmcrBapEilwn7NKUQtg8kWVIToZ67bvJwpIb2I8eMAv41r0R+OoV0/HPy+2Dcbi47h0rTpwI5oX+xazDmZWiDQ==
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

2026-09-17T10:43:49.925031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060169
observed cd648a0d2b103f450bc614107637d139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.907651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060169/manifest.json
observed b073675520e121f4c6cbb88ddccef4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.891764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060169/publication.md
observed b715dbbd9b127cda2c45d0de39110b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.873633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060169/publication.txt
observed f3b1b4fd1b4d12a5a7776ed38aac835f...
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.