OpenTechnical

OT-2026-000062249

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000062249) never changes.

Identity and time

Publication numberOT-2026-000062249 · never reused
Internal UUID01a0ae8c-0abd-76bd-a87a-9740a6c47236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062249
StatusPUBLIC

Content hashes

Canonical text6992f6910822df0778fa7986fbf456de16790cef951f8859e54eec429f4162a8
Markdown727ce1095be92ea60d47565c8e7d32d9a6b60a396622dfc225bbbab1f5f1f485
PDF
Publication page9fe66ed605124116a7d59e7b39f7b6db71b410f966b825771e1ec6c42d1205df
Manifest9e0ed5a8ef24e5537f6727d9d5fea1721dd07fe666372818abcdfb897a137f3a

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
SignaturetXV6xeIgC3i14zuyQRlByIsD7C4BweFUDGvAO5GNN3ErdqOMf/btvQ2ZBz3fW7w08j5HDNpG+kfnyZFHQnBuBw==
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

2026-09-17T10:39:31.634412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062249
observed 9fe66ed605124116a7d59e7b39f7b6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.616875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062249/manifest.json
observed 9e0ed5a8ef24e5537f6727d9d5fea172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.600683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062249/publication.md
observed 727ce1095be92ea60d47565c8e7d32d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.583903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062249/publication.txt
observed 6992f6910822df0778fa7986fbf456de...
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.