OpenTechnical

OT-2026-000020873

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020873) never changes.

Identity and time

Publication numberOT-2026-000020873 · never reused
Internal UUID01a0ae6f-65e3-705c-b3b8-2cd09581fbb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020873
StatusPUBLIC

Content hashes

Canonical text2e79bcd7d170f40efc1e9f8666a6707c813d5ea96b037b8dc257f1d8960091da
Markdownd71cfa6b662323722a01f1749882e1cdf5c60144b512d4d8f6498522d26c84c4
PDF
Publication pagebfb11111bfba0d164d74d4a9c435717a3f1883e6ae8d7b2dc9e1ecfe73bdf5f3
Manifest7a133fe2ab4bb9cf1eb7ba0b91edcd6397f8e19bf5008aa180cd14b6ff088f1e

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
Signature+FI8uWLDAqzGwkaGtpQePnMZPGH8IMxJPODB1Pnc/FppG8isBYSUlaq4cDIYmBuI9EKOBVjTSE92GXOfiThrDg==
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

2026-09-17T11:55:58.791869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020873
observed bfb11111bfba0d164d74d4a9c435717a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.775001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020873/manifest.json
observed 7a133fe2ab4bb9cf1eb7ba0b91edcd63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.756945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020873/publication.md
observed d71cfa6b662323722a01f1749882e1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.738597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020873/publication.txt
observed 2e79bcd7d170f40efc1e9f8666a6707c...
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.