OpenTechnical

OT-2026-000069941

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069941) never changes.

Identity and time

Publication numberOT-2026-000069941 · never reused
Internal UUID01a0ae91-1860-7086-8bef-a8b8957c3b12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069941
StatusPUBLIC

Content hashes

Canonical text46f5fc32121f90d8fb2e63ad5a6f643a9673afbbdb8b7d593124d0cc3f5e04c6
Markdowne678bb669736b855b30a622c38ed040dc0f16b3a2521780ca524f00445b59280
PDF
Publication page3bdf84c430d591f219933d06c75ee5b9e673405a08085fc9822f5ace8c52f0c4
Manifest2ce4f94ea878b082d4847a6bd1d5551797bb751f5982c3e854a26c63f1b1a01f

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
Signatureejg8GxtSRx8JWx8VV2QmsOH/h2QOzCSd8xYdKMZraSBOFl6B5dVRb9xe4ALLS22wuatZbD1iOWek7E+6OEyaAg==
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

2026-09-17T10:26:52.830635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069941
observed 3bdf84c430d591f219933d06c75ee5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.811085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069941/manifest.json
observed 2ce4f94ea878b082d4847a6bd1d55517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.791850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069941/publication.md
observed e678bb669736b855b30a622c38ed040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.773429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069941/publication.txt
observed 46f5fc32121f90d8fb2e63ad5a6f643a...
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.