OpenTechnical

OT-2026-000079389

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000079389) never changes.

Identity and time

Publication numberOT-2026-000079389 · never reused
Internal UUID01a0ae96-0b91-7f10-a5f1-d4ef96a7c509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079389
StatusPUBLIC

Content hashes

Canonical textff78d43220367dc786d1074f02de3d1b9a791a0d25533c9e38beb24d90e649b0
Markdown30d15daf04ed2dbe2026176b1903f00605415462a88166d8017281aba6e1b4a1
PDF
Publication pagee505a81cd37f98c5b45496710b36dca9120f542c155042f57c37c88721276747
Manifest0c6e3a9a5a156eecbd1c096788b7e2d2aa3d301fa39491bc80f5d09da7929a26

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
SignaturejMKKR9adtY+kpd3n0q0ei0HYZAbb7OQNu7+2CIKZOqWALMC7uwennmkFyX4a6ZZTfhwjdlqtun1wAWoVA0KjAA==
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

2026-09-17T10:05:00.622927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079389
observed e505a81cd37f98c5b45496710b36dca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.605572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079389/manifest.json
observed 0c6e3a9a5a156eecbd1c096788b7e2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.586051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079389/publication.md
observed 30d15daf04ed2dbe2026176b1903f006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.567654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079389/publication.txt
observed ff78d43220367dc786d1074f02de3d1b...
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.