OpenTechnical

OT-2026-000006815

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, vented after 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-2026-000006815) never changes.

Identity and time

Publication numberOT-2026-000006815 · never reused
Internal UUID01a0a968-5245-7e87-b6f0-e11fdfc00438 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:41.447807Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006815
StatusPUBLIC

Content hashes

Canonical textc8d3969c43addad3c0520a23d231dd3f3170bba5dda0948fdf6a107e00213097
Markdown923813d1e37b258cdaf8234639b5f1acce2197ffffcfa15a184af88c85d40855
PDF
Publication page49a77a673ec4b78dd295f802156552f5156d066a910dbf1822f7e093f85fc7f2
Manifest6a2741e98f838b53838cfa526d08f9ba05d0a3a94371b17a53e38ed06d5312db

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
Signature3BP3I5z5w66SK5+yIsskg0mV9Zl2lopsJW7yQ2eKfQNFnvFlhpYvwOuD4fMj2BJONERyAzllM9RSZFiKkVX/Dg==
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

2026-09-16T08:50:03.231720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006815
observed 49a77a673ec4b78dd295f802156552f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.218782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006815/manifest.json
observed 6a2741e98f838b53838cfa526d08f9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.207146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006815/publication.md
observed 923813d1e37b258cdaf8234639b5f1ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.194954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006815/publication.txt
observed c8d3969c43addad3c0520a23d231dd3f...
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.