OpenTechnical

OT-2026-000051802

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented before 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-2026-000051802) never changes.

Identity and time

Publication numberOT-2026-000051802 · never reused
Internal UUID01a0ae83-7c84-7407-8aab-92abe325ffef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051802
StatusPUBLIC

Content hashes

Canonical text9cb0cd3a141aa714cd564599a65bec07352ddf87f20df5c9c15c30627979d836
Markdownebc26f88b693c6fbfdd10ced7e029a8170f9e6433d5fa7913e2b6f97391c5f4c
PDF
Publication page9f5b1739c5b645a5ba88080691aaa02c62987ef30df2f01ccd701497575ff123
Manifestff56a4d535aa0120275fca5c2dde266f0f6860a36ca93e26760600c851e5c2f8

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
SignaturekrVj+dQwc7rRFjCcopRGVAHhgv9e9OqFzULfY5dbrMpkBLvmzYXiSmGP8RPJJMZVJIalnzcxfqPXDvxaPDSHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:43.033430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051802
observed 9f5b1739c5b645a5ba88080691aaa02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:43.015701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051802/manifest.json
observed ff56a4d535aa0120275fca5c2dde266f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.997020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051802/publication.md
observed ebc26f88b693c6fbfdd10ced7e029a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.976933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051802/publication.txt
observed 9cb0cd3a141aa714cd564599a65bec07...
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.