OpenTechnical

OT-2026-000061561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000061561) never changes.

Identity and time

Publication numberOT-2026-000061561 · never reused
Internal UUID01a0ae8b-7b44-710e-a233-11accc454cf5 · 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-2026-000061561
StatusPUBLIC

Content hashes

Canonical text0b98b23d945e6c7e6cc5905ab7844acbd8f66d118a8de9966cc5c08a502112e6
Markdown2ead34b4eacf86102f9bc69fb35e025d4b6ba5af7926deac546f18894c4590ef
PDF
Publication page68c5e086394a063e1550f2607eaabfeac6ddd0391c1be851cc9be618a4456738
Manifestfdb90c563d89b3624b9d6a43ad1ecee13cb72a20fdac63f24ba924c653fc49d4

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
SignaturezFuZepvaenDtBiOsHYvtMNAKKRko1JorktYUU0ltCd11tdVp0rcTqxCJ0b4WBlqRN+LfKqBnh+6SZnn+Ec+xCg==
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

2026-09-17T10:41:28.532432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061561
observed 68c5e086394a063e1550f2607eaabfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.513673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061561/manifest.json
observed fdb90c563d89b3624b9d6a43ad1ecee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.495807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061561/publication.md
observed 2ead34b4eacf86102f9bc69fb35e025d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.476800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061561/publication.txt
observed 0b98b23d945e6c7e6cc5905ab7844acb...
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.