OpenTechnical

OT-2026-000074950

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074950) never changes.

Identity and time

Publication numberOT-2026-000074950 · never reused
Internal UUID01a0ae93-ac2d-71eb-9b66-8c05f9394529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074950
StatusPUBLIC

Content hashes

Canonical text956bf6d9da1f0cdd34ed5105e9c8ef631cfc0699027b400b2e2d1d876d282d38
Markdown45cd9d9339fff3133551f11733885c3e89867769040722635c771a5b95750572
PDF
Publication page6de09449dd7dd3a6a810d37a16cc8a3f4e982986693992e46a913577fa873853
Manifest5b3f35bd451dc61c6c50d9f3f45b4222e20cf9e9877acccb3ea5d1c3ee943aee

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
SignatureTGDlECZWWytbk9tGmZ41ruHKjYBlZm/TYixlbS+t9ckes4lzwszuyG84PWx/iDN3Bct+p8RdcDo8iwSmmMqKCA==
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

2026-09-17T10:18:44.802271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074950
observed 6de09449dd7dd3a6a810d37a16cc8a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.783546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074950/manifest.json
observed 5b3f35bd451dc61c6c50d9f3f45b4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.766403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074950/publication.md
observed 45cd9d9339fff3133551f11733885c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:44.748749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074950/publication.txt
observed 956bf6d9da1f0cdd34ed5105e9c8ef63...
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.