OpenTechnical

OT-2026-000091970

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000091970) never changes.

Identity and time

Publication numberOT-2026-000091970 · never reused
Internal UUID01a0ae9d-43bb-725b-b9d8-724e1e1389db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091970
StatusPUBLIC

Content hashes

Canonical textf2bfdb008e351188c383cdb0c3ad3cefe72a62ff10a593dbb224707cb15e7017
Markdown95dc626e07924edb55c8ea815063cb11320e95cdfcbbc95e8a3c684b8eb1f84b
PDF
Publication pageb1ba4f158c4236d675f9d064a1a5cfc7ee402f3e3db512f3a152de92b52a37c4
Manifest4f00a5876a93bb49e5e10cfeabaa3096c19ae7ed2c14483d96fa0b34767ab0c2

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
SignatureHWzfNLl6bU7/E9/vPJZ4u2ROXk8Aw+fVaXacDMY0CY8x10a4W+VaTCnQxy8wgLSfimsxXQ90Tc2y9+nNYStgAA==
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

2026-09-17T09:42:55.679920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091970
observed b1ba4f158c4236d675f9d064a1a5cfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.648065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091970/manifest.json
observed 4f00a5876a93bb49e5e10cfeabaa3096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.616406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091970/publication.md
observed 95dc626e07924edb55c8ea815063cb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:55.585437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091970/publication.txt
observed f2bfdb008e351188c383cdb0c3ad3cef...
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.