OpenTechnical

OT-2026-000006317

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, pressure verified, vented after 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-2026-000006317) never changes.

Identity and time

Publication numberOT-2026-000006317 · never reused
Internal UUID01a0a956-c31c-7268-ac63-e999ae90fe45 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:30.687151Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006317
StatusPUBLIC

Content hashes

Canonical textc0be498a37c6ba7a576a23c0d676ecbe96facb49f0abd7594c6273001aafecfe
Markdown88450e6166ff1d184077e9652e9227a4b7d26b4d872ae9cd33759175a5abc707
PDF
Publication page9225ed96b3ad2e56be8fe448b54fa41a59c872e38b5fcd631f0ab63cd0cf0fa3
Manifest2c61fa3ea3a4944e37e0832c6c14c972ccc1ae7a0c63e3543114621d064c1894

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
SignatureY4jxWje8eDAjccaC+wu1ahF9+DmARsloM+BGyu79LAr8KLPjalGBrUhx2TynAdkov+hbz5jz/9BscAk7neEsDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:32.624055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006317
observed 9225ed96b3ad2e56be8fe448b54fa41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.458813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006317/manifest.json
observed 2c61fa3ea3a4944e37e0832c6c14c972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.444148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006317/publication.md
observed 88450e6166ff1d184077e9652e9227a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.429168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006317/publication.txt
observed c0be498a37c6ba7a576a23c0d676ecbe...
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.