OpenTechnical

OT-2026-000011719

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed 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-2026-000011719) never changes.

Identity and time

Publication numberOT-2026-000011719 · never reused
Internal UUID01a0ae6d-1940-7679-b101-c28b910d47d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011719
StatusPUBLIC

Content hashes

Canonical textc9e823836a60695ba99498473c9d5959e4a11facc08f8d438f7dd892c35f9352
Markdown46e70daa78cbf18a3a7c7230aabfa2c166c16c48f7ee98090ddafba63ce4b1c3
PDF
Publication page09552e6d84ab0dfead902ac267197254ce28cd706169f590ef9f67ffd42c13c7
Manifest4468cfb491d736e840d01db1cc1b2ff91234b4593ccc22bdaa1c666e9e1a039f

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
SignatureI8tCUkFWEyNQBEzLYrMxGdr5uouGEx7ui8A6Kh4tUCBoWe1dWufS3UHj+E6zmXQ7M2/HcgV488hC69As1vW8AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:19.935824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011719
observed 09552e6d84ab0dfead902ac267197254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.918176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011719/manifest.json
observed 4468cfb491d736e840d01db1cc1b2ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.900616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011719/publication.md
observed 46e70daa78cbf18a3a7c7230aabfa2c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.882585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011719/publication.txt
observed c9e823836a60695ba99498473c9d5959...
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.