OpenTechnical

OT-2026-000062146

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000062146) never changes.

Identity and time

Publication numberOT-2026-000062146 · never reused
Internal UUID01a0ae8b-b8b1-795c-971e-965c13ce6d3a · 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-2026-000062146
StatusPUBLIC

Content hashes

Canonical text1171ec6131cbd2fa6813e017f5790e5e001e903a10c6079756eeb6948bde84cf
Markdown2ffdb80da30e44f71be2d5884edd8456b4b644274e6f3b1a2aa102d241d910c9
PDF
Publication page1b0846554ee11ddd7912d05695d838fe837f690603994ea246f8f1ca7979cbb5
Manifestb7ac35476610ec17cfd70830bdb4685856ffab6a9f300aa5c33c25e7557fcd55

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
SignatureM/TGEi/NpeLq72dWOvWB4apR+MGepeDpHHiY2z4CT1NQqbHnHaPBj4zjAPB3YP96ffBy0FSkffG57dpL8E0XBw==
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

2026-09-17T10:41:12.939190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062146
observed 1b0846554ee11ddd7912d05695d838fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.919463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062146/manifest.json
observed b7ac35476610ec17cfd70830bdb46858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.901520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062146/publication.md
observed 2ffdb80da30e44f71be2d5884edd8456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.882453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062146/publication.txt
observed 1171ec6131cbd2fa6813e017f5790e5e...
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.