OpenTechnical

OT-2026-000061498

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000061498) never changes.

Identity and time

Publication numberOT-2026-000061498 · never reused
Internal UUID01a0ae8b-7b44-7e28-8180-9115f09fd995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061498
StatusPUBLIC

Content hashes

Canonical text206cd808c6e52e5808ebcf707863cfca368d6812b9050676acecf5db7213b79c
Markdown1bc2b1038db95393cf06fd41a9497a6cc47b8e0301ac4f61db93c01b6648f6df
PDF
Publication page8d10aa88c9b6024f4179fad9da4f9bc6fe9cd7047de2f793320c5e4f169615b6
Manifest9f7a98ec704971e29f7751189c93257e75a64e2642f156f24607c2c4c08225e4

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
SignatureCuNdHmLe3+Syh94ZPi+ouDgXtKf2WS9hPVNb7L8aWG/W7I7HFM5UpxgC2X2jYWumI/l9GavUSv09Lc8W91LzAQ==
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

2026-09-17T10:41:23.510641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061498
observed 8d10aa88c9b6024f4179fad9da4f9bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.493211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061498/manifest.json
observed 9f7a98ec704971e29f7751189c93257e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.474790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061498/publication.md
observed 1bc2b1038db95393cf06fd41a9497a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.457129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061498/publication.txt
observed 206cd808c6e52e5808ebcf707863cfca...
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.