OpenTechnical

OT-2026-000022108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022108) never changes.

Identity and time

Publication numberOT-2026-000022108 · never reused
Internal UUID01a0ae6f-f4fb-7bea-9a07-934bb1ae5ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022108
StatusPUBLIC

Content hashes

Canonical text3b3de55a23a39cc93ff489c4bfd5f0927f7a11ecbd018019d916f88a9dae954f
Markdown57b220a0ea09905cc54cc93f1361a2b904ff16ab8beaa08c49cf06ea740ffcce
PDF
Publication page6b1e63e693777f6ee4c2ad605d82722dbfca89741a65f4e4df0698380b80e24a
Manifest910312bdd9aecc6c95966108983c0627f7fd84fd3a12d984347576d45563f0c1

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
Signature7Q8RGT/ManrTbCN8baL8o8LnIwWh6pxbM+HRwf9YJPf1aCGChC0cfLQ20J8NpUwINjZZo7b+eZ9ZvOIRCGKdBA==
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

2026-09-17T11:52:46.701882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022108
observed 6b1e63e693777f6ee4c2ad605d82722d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.685441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022108/manifest.json
observed 910312bdd9aecc6c95966108983c0627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.668285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022108/publication.md
observed 57b220a0ea09905cc54cc93f1361a2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.651300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022108/publication.txt
observed 3b3de55a23a39cc93ff489c4bfd5f092...
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.