OpenTechnical

OT-2026-000091549

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091549) never changes.

Identity and time

Publication numberOT-2026-000091549 · never reused
Internal UUID01a0ae9c-f16e-733a-a60b-a64fd3cdac02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091549
StatusPUBLIC

Content hashes

Canonical text5b1aa832a9ecf7b785cbc012ebf547000656744f992147849982b182a07fbf7d
Markdowna6228c82436301130f6132e6265b3714d8495ebd82f7d02cd46285bce7e72134
PDF
Publication pageff2847e3233828bac06e0515baf93a9fb4d6b6f4ae2dfd656da1272fdc5b801f
Manifesta86b9e5777c5ec63f18039f5e5057f6641cc9f9d36763410e2d0a27d73df827c

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
SignatureJKT/pOQ+bIOkyBjilVAT1p9fFgG9Y6yG+DCxNXoW9kjOy9hDnvZMCfWjduZsJthpayC4kXyZ2Fl8tIAt/4psDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:49.046950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091549
observed ff2847e3233828bac06e0515baf93a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.029262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091549/manifest.json
observed a86b9e5777c5ec63f18039f5e5057f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.013541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091549/publication.md
observed a6228c82436301130f6132e6265b3714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.996505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091549/publication.txt
observed 5b1aa832a9ecf7b785cbc012ebf54700...
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.