OpenTechnical

OT-2026-000087429

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000087429) never changes.

Identity and time

Publication numberOT-2026-000087429 · never reused
Internal UUID01a0ae9a-cd50-702c-9ac4-ee18c7b55d34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087429
StatusPUBLIC

Content hashes

Canonical text12467ff391c53a21330766a283f073fecb78b6d5643109f27919b680383159ac
Markdown9ec2403c31a3f0a54814dca25b8755f3430eaed411ed2c1ffabacebe397c1200
PDF
Publication page533a0b957b53ce57fb598f0c2811b79c2db54729528ce3fac3e115cc7994c9bb
Manifest053100a0f93dcd98cf00ecd22b2843e080ea930d73ea5e3364356ca83fc434c7

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
SignatureWS6rYELbNIqbdKmA4fJSp5YGXpTKhr/PMgH4vpIhKEO5MHgzVqy9QOS5LCwtVCjF/kEwAd7WwF8NToQETNWICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:45.013477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087429
observed 533a0b957b53ce57fb598f0c2811b79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.996623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087429/manifest.json
observed 053100a0f93dcd98cf00ecd22b2843e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.981178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087429/publication.md
observed 9ec2403c31a3f0a54814dca25b8755f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.962985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087429/publication.txt
observed 12467ff391c53a21330766a283f073fe...
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.