OpenTechnical

OT-2026-000007178

Publication integrity record

Porous face vacuum gripper, plant vacuum fed, 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-2026-000007178) never changes.

Identity and time

Publication numberOT-2026-000007178 · never reused
Internal UUID01a0a975-83f1-7a44-853b-ddde89a3b5f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:06.132065Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007178
StatusPUBLIC

Content hashes

Canonical textf4cb00a34c85a8d5fb16f7d01aef08000405862e5bb80490f416e31dca4219c7
Markdown045bb71a4d212c80bb258c123f52a22bdfb524885b6d006272bf17767128635c
PDF
Publication page5162988ff29570bece208a0c75d2ee9108a51bea6bf1d666a3ad72218eabc2a8
Manifest8bfc622f5e0bc18f536eab46672ea85ca2fadcb94b3c9eacbbe30e08a24ecf4b

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
Signatureq29+eYOYCwsZ+0MqpRMokrvKNz/+DRWOO3+nopW6v7MJ4lT0++v8KrmISoLdgnKhkYeqqchRRG0p7LU6xYQiBQ==
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

2026-09-16T09:10:18.730685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007178
observed 5162988ff29570bece208a0c75d2ee91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.718756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007178/manifest.json
observed 8bfc622f5e0bc18f536eab46672ea85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.707717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007178/publication.md
observed 045bb71a4d212c80bb258c123f52a22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.696238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007178/publication.txt
observed f4cb00a34c85a8d5fb16f7d01aef0800...
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.