OpenTechnical

OT-2026-000033689

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-2026-000033689) never changes.

Identity and time

Publication numberOT-2026-000033689 · never reused
Internal UUID01a0ae75-a390-736e-84e6-cf2ccaeb031e · 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-2026-000033689
StatusPUBLIC

Content hashes

Canonical texte358ceed584ca9e36bb1fd13db5bcd682ffd6db4f1eb03253c433d19c8deb3a7
Markdown26048862881b23f8bb80909c5f2848162348a39f7bf3b5339501ec28bcc3dbd6
PDF
Publication page0213232d7f7b60da1c895995fdf75a4d2f9a33a7e77a3a1e47572b84eb2555f5
Manifest786a0be26f863c91e203fc875e16ee5adbc0f095d07fe4603ef3212ae1505bb1

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
SignatureS8dZgM+Z+TWl+uo0N6z7mfEsNoGu2cKJZNDxfa4AraYkCO1B3yLb5nHXg6HYyrccTnct4HIVZatR3po8WzY/DQ==
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

2026-09-17T11:31:40.969296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033689
observed 0213232d7f7b60da1c895995fdf75a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.952332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033689/manifest.json
observed 786a0be26f863c91e203fc875e16ee5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.934109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033689/publication.md
observed 26048862881b23f8bb80909c5f284816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.912075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033689/publication.txt
observed e358ceed584ca9e36bb1fd13db5bcd68...
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.