OpenTechnical

OT-2026-000007198

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, contact triggered, vented before set down, open cell

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-2026-000007198) never changes.

Identity and time

Publication numberOT-2026-000007198 · never reused
Internal UUID01a0a976-3916-7411-8483-467bcdc64175 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:52.626544Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007198
StatusPUBLIC

Content hashes

Canonical text54bdc1cfc204c1d5cc53c497d0a256c9c1f931dceb8b54f40b07982f6d943d79
Markdown873025c64c979e56063d3ea29cbf79fcf23d2b7f2bcfb8eac51e7d017b2eef89
PDF
Publication page5c4c26902bfd11a11ad5d9962a3985b17354f75e82726a976c52a5bd6a780621
Manifestd2b35d91183155b2a6c11d13b3e79bbcf3f0888f8aabffe1f04d7a94884dec34

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
Signaturei94KYIiS6YblqSf8zJEByJiH44CClutR3OW2B0mVeVxFszvOoBGC6U2X+hMLB9kfC2LKHZ7m/FuXpuyv1yLeCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:16.754515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007198
observed 5c4c26902bfd11a11ad5d9962a3985b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.738877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007198/manifest.json
observed d2b35d91183155b2a6c11d13b3e79bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.725226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007198/publication.md
observed 873025c64c979e56063d3ea29cbf79fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:16.712377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007198/publication.txt
observed 54bdc1cfc204c1d5cc53c497d0a256c9...
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.