OpenTechnical

OT-2026-000045021

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045021) never changes.

Identity and time

Publication numberOT-2026-000045021 · never reused
Internal UUID01a0ae7c-f767-7c53-9dae-e0f13b6d105f · 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-2026-000045021
StatusPUBLIC

Content hashes

Canonical text0048e897328b8dd7e23598be871d649fb2110882a87292a94cb9478bf08ad2f0
Markdown30b638924beee443c231ab45169cd8711af03a395385e8d3ffdda718532a6d54
PDF
Publication page8d92e4586ed4dbd9e38180235b53011c2e9cbfe4e6299ae2856ba7102cd482a0
Manifestbcb4bf8baeb07f0c4c51d91b0c848f7c296c0a17a425c9fab6193a5a66580320

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
SignatureAn5U4IP6osHU/UpErkOA2xQHco4wO7/3QDEsAHEn0vFsIrA8arq1WrXsoKcH5WpHsa8+9EBXjb38ibMd8TujBw==
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

2026-09-17T11:10:01.883966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045021
observed 8d92e4586ed4dbd9e38180235b53011c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.865894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045021/manifest.json
observed bcb4bf8baeb07f0c4c51d91b0c848f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.849153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045021/publication.md
observed 30b638924beee443c231ab45169cd871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.830519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045021/publication.txt
observed 0048e897328b8dd7e23598be871d649f...
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.