OpenTechnical

OT-2026-000023461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023461) never changes.

Identity and time

Publication numberOT-2026-000023461 · never reused
Internal UUID01a0ae70-7269-7323-ab29-b6f7c53097ec · 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-2026-000023461
StatusPUBLIC

Content hashes

Canonical text65e40d322414e441883db7f23c8b6a77fa81889792cadc66de56b3e2cb9f8dfb
Markdown2b4551b5ea5ba0b702a7c8ad1c8dedf4327f5bc870a994dc7148c68785ff642c
PDF
Publication page1beba234262574bd44efdf446352b8ecf78669fba9d21ca52d5860b9ae1c6775
Manifest7837bd8b4a59aa99dce657da3fb1d39b52bd093374721416c124b7baffafa978

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
SignaturekSMO9xtg7VCd4x3UO4Y3XiLRKBJa5NOyV5/JMkXpKG9pw5MXHYKpXeCKL8Db4x8Xskz204U8HL1j6lu0Mu4+DA==
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

2026-09-17T11:51:40.856557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023461
observed 1beba234262574bd44efdf446352b8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.840419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023461/manifest.json
observed 7837bd8b4a59aa99dce657da3fb1d39b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.823874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023461/publication.md
observed 2b4551b5ea5ba0b702a7c8ad1c8dedf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.806741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023461/publication.txt
observed 65e40d322414e441883db7f23c8b6a77...
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.