OpenTechnical

OT-2026-000049233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000049233) never changes.

Identity and time

Publication numberOT-2026-000049233 · never reused
Internal UUID01a0ae81-134f-7728-80c3-91661ed456b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049233
StatusPUBLIC

Content hashes

Canonical text85dc094c6b3e8c685002da125c0ccb905d3be23abda8578b95a49008b72fbb4d
Markdown987fb6d64e59e6a4fbe54ab9d04c136c759bd0a0e28ac7ce9d61af6ee8f87215
PDF
Publication page9faf0efd7de07676114aaf9b64c952610b267c9af9124124cdefbea3ca64aae1
Manifest8949f09e2a9a6a058529a5156e0c604690afdc9f07ff8e5f60d1c21a8658513f

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
SignaturewtIOoNYDQ1tGPC5E2y5/KBItZ2aU27DZ+pzpaBy+VoJwMVf9zmhZ1CosfHCb7oI2HGC9OpQ9miig8tplV5NVCQ==
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

2026-09-17T11:04:03.514945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049233
observed 9faf0efd7de07676114aaf9b64c95261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.496381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049233/manifest.json
observed 8949f09e2a9a6a058529a5156e0c6046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.477957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049233/publication.md
observed 987fb6d64e59e6a4fbe54ab9d04c136c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.458878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049233/publication.txt
observed 85dc094c6b3e8c685002da125c0ccb90...
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.