OpenTechnical

OT-2026-000033697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000033697) never changes.

Identity and time

Publication numberOT-2026-000033697 · never reused
Internal UUID01a0ae75-a390-714f-a051-134674bd7a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033697
StatusPUBLIC

Content hashes

Canonical texta73e46d87e174f24c9efce174ae6f4fd5932b409e2c4fabc0bd34b9051dc5b0d
Markdowndc3391d962000b9c103f7362b904641a8569cc58cc8f8202b9ece0ad02b8034e
PDF
Publication pagecf6b75fee52a3ae04e5f26ba1fdd14a7d2469f65d42d5454f54cb946c5d1c2e9
Manifest760dd8837209b54b29d74db8c1700197f37a7b435c53565986fbd6dd67b3abc4

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
SignaturesYJNz3ypVoj5gjl3v14XZ/yj4OcFNowYMgWVEvOLl1TgKoXjZkhr5ZykXKBTpVghP+WCIJZ6iIiA0opJWV+wCw==
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

2026-09-17T11:31:41.572525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033697
observed cf6b75fee52a3ae04e5f26ba1fdd14a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.554743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033697/manifest.json
observed 760dd8837209b54b29d74db8c1700197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.534194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033697/publication.md
observed dc3391d962000b9c103f7362b904641a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.517333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033697/publication.txt
observed a73e46d87e174f24c9efce174ae6f4fd...
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.