OpenTechnical

OT-2026-000102008

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000102008) never changes.

Identity and time

Publication numberOT-2026-000102008 · never reused
Internal UUID01a0aea4-50f1-7180-b3cd-8ceec33b4398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102008
StatusPUBLIC

Content hashes

Canonical text1874757add4ecf1c7c428f8831013467020b9bc33fd245fa52f8ecd8a956ba80
Markdown69015068be67a6c42476d01f9f7bae2908a063cb89cb423536ea0f7cdf8ed912
PDF
Publication pageff2574ef7ebcf107cd361410909e0d27e543e41f193fefdd581b78ed973dc495
Manifestf13f9de3b48638f5bb5d11df20a0b864737af9db17bb91b833e46d70e0b568bb

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
SignaturentJelwJzZRNxvWaTIXE3zZj4pHik7Sx4NXVrUbln1oiKFx+u8Zpzt8ZG3d0A8Iaa9kOUuLCIYKhh47XDofpmCg==
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

2026-09-17T09:25:08.226697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102008
observed ff2574ef7ebcf107cd361410909e0d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.209119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102008/manifest.json
observed f13f9de3b48638f5bb5d11df20a0b864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.189928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102008/publication.md
observed 69015068be67a6c42476d01f9f7bae29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:08.172080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102008/publication.txt
observed 1874757add4ecf1c7c428f8831013467...
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.