OpenTechnical

OT-2026-000059524

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000059524) never changes.

Identity and time

Publication numberOT-2026-000059524 · never reused
Internal UUID01a0ae89-8619-73e2-b95a-e9a7e2ed1359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059524
StatusPUBLIC

Content hashes

Canonical text20318dc46a8d075cef0440472ceb3bc0f0a345fdab3bddc47f8796716a7988ba
Markdown937f04cf3c67fffec512c2f80a5f9bc6da155a40aa87b8f17ade0d3a8b366769
PDF
Publication page5c928f3831c86b15f50f13067a07a29fbfefe20bd72e9f5faf73abca08af064b
Manifest2bf9bc1f23d40fc748b5dbf2e61a1f987fcfa08bdf99057d573eee7f70b75092

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
SignatureuUvJwnCaAqnT+W0dH+GQQbNQ4zkY2sFu6UiYHk6yph0QZ0F21fQyvayPSYi/IhEk9kGe5/Qol1PAy0alZZEJAw==
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

2026-09-17T10:46:11.983843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059524
observed 5c928f3831c86b15f50f13067a07a29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.964578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059524/manifest.json
observed 2bf9bc1f23d40fc748b5dbf2e61a1f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.936315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059524/publication.md
observed 937f04cf3c67fffec512c2f80a5f9bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.916162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059524/publication.txt
observed 20318dc46a8d075cef0440472ceb3bc0...
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.