OpenTechnical

OT-2026-000016183

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000016183) never changes.

Identity and time

Publication numberOT-2026-000016183 · never reused
Internal UUID01a0ae6e-2d11-7780-8ea8-98b814eae228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016183
StatusPUBLIC

Content hashes

Canonical textd54226aa8f69a1b7e68900c8052e3dea196b0f08a6257c946dbe003b1aa7ef67
Markdown68aaee6760730960e581af0287df68e7c3f7b5fdbc2e10f4ebeb54927cf8aebe
PDF
Publication pagef1688ed35b240dfa619a635f6962fd9d64d746f1619b7b8fde94f7550dcd9878
Manifest73ec03de1c5ff1fa552eece4928566f74a24a86c2eb4813712a8a5efab3b23b0

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
SignatureD2dY4r+tFW7Ja/239KHAb3GR1bNIETGRbybO7koMg4reWe1BAPQZlUgMZKahJk9szGHcN3eblq9iuUl5NL8jCg==
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

2026-09-17T12:03:38.201610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016183
observed f1688ed35b240dfa619a635f6962fd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.183395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016183/manifest.json
observed 73ec03de1c5ff1fa552eece4928566f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.164774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016183/publication.md
observed 68aaee6760730960e581af0287df68e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.148031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016183/publication.txt
observed d54226aa8f69a1b7e68900c8052e3dea...
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.