OpenTechnical

OT-2026-000085803

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, 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-2026-000085803) never changes.

Identity and time

Publication numberOT-2026-000085803 · never reused
Internal UUID01a0ae99-e829-7c6f-89e9-c21043b58ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085803
StatusPUBLIC

Content hashes

Canonical text4061798ee3195c92bad8b4479942550f105a9d72d63e2e13a3102b997814da22
Markdown7431df55208057ce0d10713d2838787f7879152ba82a588c8581f11ed4bb4b5a
PDF
Publication page32b122dbe7b34e184946472d4bf49c0337fca1bad0aa479fcb1eefa27d028618
Manifest4b15a56dfceeeb364a114e6dc0d86b30bf373ee70b0ac21bd44692d5370a5f70

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
Signaturen8RvxE0oiMMNqA0K1nDZD79noXLBZtw+3Tvl+zgNSi8QKrGQpNykBUejWAmlwZ5rVGhmNotzVAAAAMegvfFUBw==
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

2026-09-17T09:52:43.227179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085803
observed 32b122dbe7b34e184946472d4bf49c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.210639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085803/manifest.json
observed 4b15a56dfceeeb364a114e6dc0d86b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.193122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085803/publication.md
observed 7431df55208057ce0d10713d2838787f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:43.174925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085803/publication.txt
observed 4061798ee3195c92bad8b4479942550f...
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.