OpenTechnical

OT-2026-000104161

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000104161) never changes.

Identity and time

Publication numberOT-2026-000104161 · never reused
Internal UUID01a0aea5-341f-7354-92e4-b10cab68da3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104161
StatusPUBLIC

Content hashes

Canonical text5391f9a4d4dc914b384799150d305cf47f2b8c2842d5507f8651ed35850598e9
Markdown243952ef7121546a26eb2ce460f49efd113912929617793badf589d7d50ad09f
PDF
Publication pagebb90c980069e135502127f6a79609efcb2ad6d8d8c287406c6dd0c14e270bd07
Manifestc4549ad14fccf1c1ec652a29217404a19278ea7e7dcbf8e11393d929590334f0

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
SignaturemCoNnOMMGE3yEkwyd46WD1m4FRhHneEHaxSjiRGdyKRKQI08N0VFube5Vn6vH/ZEcDT5H27u5TnvWfagJxAzCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:15.045238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104161
observed bb90c980069e135502127f6a79609efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.028244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104161/manifest.json
observed c4549ad14fccf1c1ec652a29217404a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.010401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104161/publication.md
observed 243952ef7121546a26eb2ce460f49efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.992026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104161/publication.txt
observed 5391f9a4d4dc914b384799150d305cf4...
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.