OpenTechnical

OT-2026-000104517

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000104517) never changes.

Identity and time

Publication numberOT-2026-000104517 · never reused
Internal UUID01a0aea5-3422-7b8d-a27a-f49b55384f57 · 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-2026-000104517
StatusPUBLIC

Content hashes

Canonical texte1063271d357aa7acef76618603a575ceef7f8e32de239cf1b19e3f9a6321661
Markdownea22c1b5adebe8d1de93a6ac1fab3f5100f0e12355bc2ab7ff8999417399bcaa
PDF
Publication page08505d514257d5618998eecd701f996016210359908d1a8348d1c5a915eb4689
Manifest891963ecff18cbd0426c93d0103a4f50e0defc551afe3cd27cfd25339b832d56

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
SignatureaFfTjc/BOo0REmXoeZX9U33f5FLlBkvvL0NGhWUVV7alYkSogLS8xEBfUcbID0rQxrr06/r+j2zUZacgWwUIDQ==
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

2026-09-17T09:21:48.768592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104517
observed 08505d514257d5618998eecd701f9960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.751830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104517/manifest.json
observed 891963ecff18cbd0426c93d0103a4f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.732199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104517/publication.md
observed ea22c1b5adebe8d1de93a6ac1fab3f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.712841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104517/publication.txt
observed e1063271d357aa7acef76618603a575c...
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.