OpenTechnical

OT-2026-000012376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000012376) never changes.

Identity and time

Publication numberOT-2026-000012376 · never reused
Internal UUID01a0ae6d-39f6-7d52-9e44-ac47323fa39d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012376
StatusPUBLIC

Content hashes

Canonical text3cd7cd06d1d10c6f9424b289136ed8b6ab8143ed5a9ca40db3047bc753727a6a
Markdown46ef8fd42fe01a8d687350393172ff8eedfa3f5b5d560653e76743dff768f399
PDF
Publication page02bff0cbbf63a7464eff210736854dbfcba82eede3e41cf601d6d7fd720a9b94
Manifestf323b6749f34856821fcf18ae71c3dc265a6362405a643bf64a22089bdcc6b7d

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
SignaturedH8Hy6VqPVVuIGUQnbmhX53TiCksI8xG1MHCWw74b8dUIgM5XRPzXVJ6Og2pnqbkWzAtJ3HtZIJ3HvkSrGppAg==
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

2026-09-17T12:11:51.728823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012376
observed 02bff0cbbf63a7464eff210736854dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.711108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012376/manifest.json
observed f323b6749f34856821fcf18ae71c3dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.692517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012376/publication.md
observed 46ef8fd42fe01a8d687350393172ff8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:51.673911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012376/publication.txt
observed 3cd7cd06d1d10c6f9424b289136ed8b6...
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.