OpenTechnical

OT-2026-000033293

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000033293) never changes.

Identity and time

Publication numberOT-2026-000033293 · never reused
Internal UUID01a0ae75-897f-752c-9be4-6aa1f23bc74b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033293
StatusPUBLIC

Content hashes

Canonical textdd89c8cefa85a950bea79840f838d2f686e5a4175803c0415ea17ae1d98fbfae
Markdownf3261c74ac59dcbf066466894e55f6c678f832105c35e21d6ce096041bf3b951
PDF
Publication pagef47833bcec497b07fc64943a7aefe60d326496a7a9280f7a9af602cca84bbad5
Manifestdaddfcf54735cff3ba18e97b225b7e65615264f732d86db2a0043a9342c62780

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
Signatured9Ml9WAqv8v3i//eK1l+mR1Q9Gx+OMoSX+6WcdgFAxF3BNuC6/R9cecW8imVpE27ON5vLZpdLELkRLyuQw6QBA==
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

2026-09-17T11:32:02.250153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033293
observed f47833bcec497b07fc64943a7aefe60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.232828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033293/manifest.json
observed daddfcf54735cff3ba18e97b225b7e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.216362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033293/publication.md
observed f3261c74ac59dcbf066466894e55f6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:02.197976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033293/publication.txt
observed dd89c8cefa85a950bea79840f838d2f6...
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.