OpenTechnical

OT-2026-000025874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000025874) never changes.

Identity and time

Publication numberOT-2026-000025874 · never reused
Internal UUID01a0ae71-a83e-7f9a-a39f-595f53c8bbf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025874
StatusPUBLIC

Content hashes

Canonical textd28efc0ff6e19bec0a20865ad1e93671d420eab06b744976d88b2ac8b7ebe08c
Markdownc3c41ba5dfc8a61c0e988c7169f78e8a5dce0ed4be5d471caa4002822a49e0eb
PDF
Publication pagedbd286f6c6064a69a81d3669d7735b07bf5a0578adb3c6631247be02d7983697
Manifestf46a17ab2f0142a9055c6f79e9463ea548d4b21afb4ec88bd1e0f85a0e21744a

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
SignatureZDwdDZIOHBZexfte9c8OUzTRokeyMVsLQhY4TjVT/S10CpIQ1HorR7xgJ/rIZkt5f0Zv6m1lUGUB8ZGmzHvIDA==
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

2026-09-17T11:46:06.811299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025874
observed dbd286f6c6064a69a81d3669d7735b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.793808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025874/manifest.json
observed f46a17ab2f0142a9055c6f79e9463ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.776970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025874/publication.md
observed c3c41ba5dfc8a61c0e988c7169f78e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.758829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025874/publication.txt
observed d28efc0ff6e19bec0a20865ad1e93671...
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.