OpenTechnical

OT-2026-000032718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000032718) never changes.

Identity and time

Publication numberOT-2026-000032718 · never reused
Internal UUID01a0ae75-1071-789a-bc68-c3f9e3f48f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032718
StatusPUBLIC

Content hashes

Canonical text6e716709b63cb33234c404667e3c69b047780e15f862bf5b5b9b9c5c53cb665d
Markdownaac5210aa2c5908043edd838f43d9780c60f9fa15e9c5c3d334102a7ce98989f
PDF
Publication page389dc17edd48f02d9ff47d67bad449ad98406bf6511325a7b03f8406d393255a
Manifest4d6620af095a3873a0477e316d8c1fe910ea4a0d0d7558d14d26d703c49a2af7

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
SignatureeJn1JS1YJO/crOspKnPrXZh6ksdDUEngyoB2OSE4GcYTiUkIq52C7IzVzUbYzbYUJtMxSscTAKORlE+ZevYVAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:20.083876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032718
observed 389dc17edd48f02d9ff47d67bad449ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.064920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032718/manifest.json
observed 4d6620af095a3873a0477e316d8c1fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.048679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032718/publication.md
observed aac5210aa2c5908043edd838f43d9780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.026728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032718/publication.txt
observed 6e716709b63cb33234c404667e3c69b0...
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.