OpenTechnical

OT-2026-000007107

Publication integrity record

Porous face vacuum gripper, two zone face, ejector fed, contact triggered, closed 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-2026-000007107) never changes.

Identity and time

Publication numberOT-2026-000007107 · never reused
Internal UUID01a0a972-f0e8-7afa-b116-05dd3390c314 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:17.419288Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007107
StatusPUBLIC

Content hashes

Canonical text22203bda8734a29953a8c4e67738a3369db3d5208630f527461ad340bbc794c8
Markdown33a69f4d5e8d3dd38b8d4449d1fcc3507b47d2bcf9c91eca687711df680edf52
PDF
Publication paged0083ae9833edc7347f3f4251db156488b3718d88fdeb9b4251bdb6501af5e7e
Manifest38d1ee851af9d19d6e375e020e10d1544aadf80dca70dd6d45b25c392bb4d8ec

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
SignatureTPVUeFuCj+dhfE5te5+fE5J8Si990O9V6LkBVUjOHMOEbhCXQ1TMmKSu2zBMxl2UWNnizYSP/f58JYqzHq+gCA==
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

2026-09-16T09:10:26.381093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007107
observed d0083ae9833edc7347f3f4251db15648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.249011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007107/manifest.json
observed 38d1ee851af9d19d6e375e020e10d154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.235857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007107/publication.md
observed 33a69f4d5e8d3dd38b8d4449d1fcc350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.223309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007107/publication.txt
observed 22203bda8734a29953a8c4e67738a336...
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.