OpenTechnical

OT-2026-000078284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000078284) never changes.

Identity and time

Publication numberOT-2026-000078284 · never reused
Internal UUID01a0ae95-7c27-7eac-8026-696b5d88d306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078284
StatusPUBLIC

Content hashes

Canonical text6759a6068e6a1227c30178360047a7ecd0f22434bc4808424284d48f1b54dd5c
Markdown865d278649abab29edf84cc21b0d4a195833ef1398145565d4b869a67cb9120f
PDF
Publication page9c761168548cc97fc380abbc12e89fc9c602c9cc1fa309ad3df0478f50f6154c
Manifest422d2655884b0907176f2290a82ece215e3803007a1bda81b3d8463590c7b3c8

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
Signature0/vuB/x2sh9bCaNTZYBioFvJh7A7oGoJrEpyphUwXeFx1B7XlO14e8h7rCjkHjCyR9E42MMX96Y43L/aeYN6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:14.848210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078284
observed 9c761168548cc97fc380abbc12e89fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.830262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078284/manifest.json
observed 422d2655884b0907176f2290a82ece21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.811432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078284/publication.md
observed 865d278649abab29edf84cc21b0d4a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.791969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078284/publication.txt
observed 6759a6068e6a1227c30178360047a7ec...
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.