OpenTechnical

OT-2026-000027208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000027208) never changes.

Identity and time

Publication numberOT-2026-000027208 · never reused
Internal UUID01a0ae72-3454-7f06-bef3-418befa97e12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027208
StatusPUBLIC

Content hashes

Canonical text63d23e31fd8bc4099ee282d3da4e45a38716888284c5fa5a57f2c104058af6bb
Markdown3fbf20026707c7361bc53d43c2e55d6f5272fe7a42364c8c7e12db5c78d5919d
PDF
Publication page26a6527daa47f8155d2042c73e68f4b60f897745ae529201fe053a13fb8dcf41
Manifestbd397121286d2e33bbf95fc2c7e4288aeb22586503bfe241907d5c3df3a60a3f

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
Signaturep21j3FlkHVRB++FOQrxgrcvGC5tfcEPtgyPZa43nPgGik73F6WiT8dHhXWVl3rHgolsKQQvb6iFnmAfOiN2VBg==
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

2026-09-17T11:44:05.929505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027208
observed 26a6527daa47f8155d2042c73e68f4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.912145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027208/manifest.json
observed bd397121286d2e33bbf95fc2c7e4288a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.895957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027208/publication.md
observed 3fbf20026707c7361bc53d43c2e55d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.880124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027208/publication.txt
observed 63d23e31fd8bc4099ee282d3da4e45a3...
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.