OpenTechnical

OT-2026-000005852

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, vented after set down, silicone cups

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-2026-000005852) never changes.

Identity and time

Publication numberOT-2026-000005852 · never reused
Internal UUID01a0a947-08fd-7dd4-aa66-960436a57853 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:19.999585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005852
StatusPUBLIC

Content hashes

Canonical textbea4351a27b943e67455633daa1bf0a18ee2e4b893fe060481b785d48b415dd7
Markdown218bfe7f9f648c6fcf288df324e992fc890ef3467aa786d6ac0cd6f12b74d37e
PDF
Publication page27bc8aac32141c9fe430f4062b1c13fc49757b15ee4819a413401f776f930375
Manifest23e05020e213a573f6eb9fe53396a5e897d13cf17161eb68528f57f264fad916

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
Signature4qOMIdb00O+boVyFnGsA0ht9SHgc8n3fAQzgzpqQjlFBw1nAlfIjSlveN8pcDFLIOUbuckJwLnGHlJ3ndzmMCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:25.418245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005852
observed 27bc8aac32141c9fe430f4062b1c13fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.404052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005852/manifest.json
observed 23e05020e213a573f6eb9fe53396a5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.389928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005852/publication.md
observed 218bfe7f9f648c6fcf288df324e992fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:25.374707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005852/publication.txt
observed bea4351a27b943e67455633daa1bf0a1...
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.