OpenTechnical

OT-2026-000079975

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000079975) never changes.

Identity and time

Publication numberOT-2026-000079975 · never reused
Internal UUID01a0ae96-4377-7931-ab90-89aa0cba5645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079975
StatusPUBLIC

Content hashes

Canonical textc07bbdf5a3556e6f9c6983a51a8ba66d117064fe062105154d13ab43551b592a
Markdown2f840cf6e9cbb90721b15ddfdb09dc362b1a5063cea50dc9fea2971f35c0d08a
PDF
Publication page7b90add771224c73b6c71167818a6660ef5a2e6938347573d18719f78f7877f3
Manifest5179f64d4b4baaeb09eab80daef6c1a1a12ed00d4a60d5907169e20437db7897

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
SignatureTejbqC9Vfs+F2jqdIVYZHw081MOKHcrUHJ119ewodKAwEci1RPa4bAE+RTSF4Hlo0BHEA08SmDNsiXMWdJsjAw==
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

2026-09-17T10:03:53.438027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079975
observed 7b90add771224c73b6c71167818a6660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.418717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079975/manifest.json
observed 5179f64d4b4baaeb09eab80daef6c1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.384108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079975/publication.md
observed 2f840cf6e9cbb90721b15ddfdb09dc36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.352127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079975/publication.txt
observed c07bbdf5a3556e6f9c6983a51a8ba66d...
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.