OpenTechnical

OT-2026-000060349

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000060349) never changes.

Identity and time

Publication numberOT-2026-000060349 · never reused
Internal UUID01a0ae8a-5a75-7794-b03b-7b1fceed5297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060349
StatusPUBLIC

Content hashes

Canonical text49eb890cf4a085c13ba55614cfbb1899b19066041d6ba1846449a335a49f3cd3
Markdownafdf5585fb58c75d8ce5b0a7fe7dfc7fcd96165f00184e40de399a25802c5840
PDF
Publication page98573f2cc7244724040573ab18fb397a762af8498f422e8ff4c280665d975366
Manifest2cc1c8dac3c2702a192de5529bca444deacefec718563503bf75fefedefa75ad

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
Signaturek30Y6xyn8hTNxFd8spV4r5b1rk+NFCzf9WjEEY0sYmrb+wak9P/8z8BVVukuaop+ltjHRh9KAZ41zcBvcmA/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:05.361591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060349
observed 98573f2cc7244724040573ab18fb397a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:05.332577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060349/manifest.json
observed 2cc1c8dac3c2702a192de5529bca444d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:05.303580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060349/publication.md
observed afdf5585fb58c75d8ce5b0a7fe7dfc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:05.274259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060349/publication.txt
observed 49eb890cf4a085c13ba55614cfbb1899...
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.