OpenTechnical

OT-2026-000014089

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000014089) never changes.

Identity and time

Publication numberOT-2026-000014089 · never reused
Internal UUID01a0ae6d-8deb-7a90-a120-bed5b6d8a390 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014089
StatusPUBLIC

Content hashes

Canonical text7353cc8ffcbbf4288ec665fc5a054684cb4fd16e2d676e8dcd531e71f1c260a9
Markdown68ad5e36820d116ab8b4ee0a5e49f19eaf26e97a42594f101594d9867f0de3ca
PDF
Publication page79b0cc641d97ce78dcde1866f8241a2ccf868581e898fa78eeabcf1dcadfd42d
Manifest34c2ff4f67ac12b809e654b94c43ee1c6cd62f5912da5d415356e6c0b1759c33

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
Signature93jZXMQMozI19c8jxTZ4y6csWEJYQarpzPz1wiRavzlex5dIP/JQsqHkDPZe/FDp7mJntiN3BZx7mNkeHo0dBQ==
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

2026-09-17T12:09:20.562350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014089
observed 79b0cc641d97ce78dcde1866f8241a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.544022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014089/manifest.json
observed 34c2ff4f67ac12b809e654b94c43ee1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.524606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014089/publication.md
observed 68ad5e36820d116ab8b4ee0a5e49f19e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.505897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014089/publication.txt
observed 7353cc8ffcbbf4288ec665fc5a054684...
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.