OpenTechnical

OT-2026-000045393

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000045393) never changes.

Identity and time

Publication numberOT-2026-000045393 · never reused
Internal UUID01a0ae7c-f76c-78cc-90ec-923aadce7146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045393
StatusPUBLIC

Content hashes

Canonical text5d10cdf33e575b5a4742af9b09fd165b0d71afd356d79bbcf50c225e607d41a3
Markdown89d5c788e38b497b7d08eee0a5b19d8932d65ff7aceee315161271f628b8ae43
PDF
Publication page627aaf8ecc342bfd1c0fcfa387d8b08c5aa4ad7c5b908c858204cc78fc4c1c66
Manifeste4b69f53868b835453e015c4be4020547b8b08f4cfef4cbdf77ca82c33cf752e

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
SignaturewJ2NjWxFSF5EHX3qUKrVJmPlrwjsqH/x4wYrdKdrALIS+LxcPDLufUix0gA9Aen/g5guCJiB69TLugZtAaVPAw==
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

2026-09-17T11:10:40.598885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045393
observed 627aaf8ecc342bfd1c0fcfa387d8b08c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.578820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045393/manifest.json
observed e4b69f53868b835453e015c4be402054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.561389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045393/publication.md
observed 89d5c788e38b497b7d08eee0a5b19d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.542138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045393/publication.txt
observed 5d10cdf33e575b5a4742af9b09fd165b...
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.