OpenTechnical

OT-2026-000062149

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000062149) never changes.

Identity and time

Publication numberOT-2026-000062149 · never reused
Internal UUID01a0ae8b-b8b1-7e71-987e-df13a4ae0853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062149
StatusPUBLIC

Content hashes

Canonical text8e9c4835158fd632c2baadc272546b286b61e8743aa714fcde1d0ee4771b2abe
Markdown49a2080f2f6af0fa9507e6915e3b75eaed660dc19dd5fee8140b27a07270a2ee
PDF
Publication pagebaa51b3ecc87c3edd2b03b8fc3af9b532b4ce35c8ee87eba418a302a70ad9836
Manifestffa08e71dec433c3db63c38f9398f660f99fe830407fc90542bb906c6324915d

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
SignaturevGEvW/lHUH/0zndZ0kVX7P3GMUXbjv3DOlx+8PRKLVWRI3ALfcab72W3iKxUa3ZFPRo6sKF9xxI6Vkn7b3EaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:13.168511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062149
observed baa51b3ecc87c3edd2b03b8fc3af9b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.150201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062149/manifest.json
observed ffa08e71dec433c3db63c38f9398f660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.133912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062149/publication.md
observed 49a2080f2f6af0fa9507e6915e3b75ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.115523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062149/publication.txt
observed 8e9c4835158fd632c2baadc272546b28...
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.