OpenTechnical

OT-2026-000070246

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000070246) never changes.

Identity and time

Publication numberOT-2026-000070246 · never reused
Internal UUID01a0ae91-545e-780c-a6b4-bacb76eaa346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070246
StatusPUBLIC

Content hashes

Canonical text5f6c9ecff8a1797d21c925e9e8f592221b1477299906dd57c2b2b0f8dea31ec0
Markdown18b96eac185a6999bf40a1f95698b52da5a5fab4f0c014090ddb54d9a332f912
PDF
Publication page562d40bbc8e7048fcb1b77fedbda2f1332547004da68455a7021373e71e06b4c
Manifest9918e680b391cd8683609cb568e6707665e22f11603c3ec177eb53f88511a1a3

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
SignatureZExvyo/fjazlJSXRnCnFWodYYPzHIhX1WZGeYgmazHnvpIm7W2SETd2gQ1mdg+pR0nG5dg2qwsl4/4aR5qY0CA==
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

2026-09-17T10:26:01.351479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070246
observed 562d40bbc8e7048fcb1b77fedbda2f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.334519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070246/manifest.json
observed 9918e680b391cd8683609cb568e67076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.316815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070246/publication.md
observed 18b96eac185a6999bf40a1f95698b52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:01.299907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070246/publication.txt
observed 5f6c9ecff8a1797d21c925e9e8f59222...
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.