OpenTechnical

OT-2026-000023115

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023115) never changes.

Identity and time

Publication numberOT-2026-000023115 · never reused
Internal UUID01a0ae70-7266-727b-994e-506c16dc701d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023115
StatusPUBLIC

Content hashes

Canonical textce90ca9bb449f8ae824f92f0769960411dc449b08a7f80ae57e051516f3763c5
Markdown3f981317d7cd345f9ab96bb68f8f0a8bea938314416dc2a913a7d067ae142b5c
PDF
Publication page33043a8754bd67176380280c0a1bb204608e371d99e772186dd5f26627e080a0
Manifest11a9cf6bc1f42b003769bf7146800b9b2207332fb36e59e8e7caf47873bccd3c

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
Signature2GVkCsfT0UMxABRbSBPmLw7b/Lyti6NC2ZanNypi0u6kKx2PWQyOJwIEgp3Hw5t2RxyBZBpAspttzmQp5ibuDw==
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

2026-09-17T11:51:02.525407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023115
observed 33043a8754bd67176380280c0a1bb204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.505362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023115/manifest.json
observed 11a9cf6bc1f42b003769bf7146800b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.487929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023115/publication.md
observed 3f981317d7cd345f9ab96bb68f8f0a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.468256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023115/publication.txt
observed ce90ca9bb449f8ae824f92f076996041...
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.