OpenTechnical

OT-2026-000068089

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000068089) never changes.

Identity and time

Publication numberOT-2026-000068089 · never reused
Internal UUID01a0ae8f-c4fe-7393-935c-c669172d1b9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068089
StatusPUBLIC

Content hashes

Canonical text15b078191cb79b7c0d7187b11421b9ba25dd5adb7b24391fcc5097d52fa0365f
Markdown493a616887cfb3f082d7471115310a29343694bb5f49747bfcdd1458bdb53086
PDF
Publication pagef750aefa9b931cbaf401cc9ac75e5615cda76c9faa892966dd4c94af96f8473c
Manifesta0e765c8b6a47574f7d73abb1373b3bc2c14c912dbfad283ec6fd9fe2b9ef89d

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
SignatureuExrJ7eOQN58QxD4VKG1a0aHmsc3j5t+3Of07MPgZx5uokFfHFLRKuIdsgeFPBVspVI079miPBFGYg95ArHRDQ==
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

2026-09-17T10:30:41.009267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068089
observed f750aefa9b931cbaf401cc9ac75e5615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.990587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068089/manifest.json
observed a0e765c8b6a47574f7d73abb1373b3bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.974738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068089/publication.md
observed 493a616887cfb3f082d7471115310a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.956943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068089/publication.txt
observed 15b078191cb79b7c0d7187b11421b9ba...
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.