OpenTechnical

OT-2026-000103090

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000103090) never changes.

Identity and time

Publication numberOT-2026-000103090 · never reused
Internal UUID01a0aea4-be3d-7bb4-a296-22e9a255e1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103090
StatusPUBLIC

Content hashes

Canonical text1cb7a279f4278b98788f2f68c381ca57fa1958834eddfb6baab8b55b395540aa
Markdown578372378c93cb4ba3841c2b646a8e27efe089699659e01363cb376e59e18343
PDF
Publication page796241184b90a60d4e7c36580ee6e8174684f7c1bd62820c5aa5102d8c7da579
Manifest21ef51cebaeef8f5d18b56b6b6398ad3ef1ceef78a3f699590131e7227402677

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
SignaturekaVx/jN3hA1aZTmPgWu+WvAms6IuqTtqs8qeEOHiy8etNhEnINvoWXl5A+8x5qHT+huT1GGaCOd/jNu3PceXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:12.973163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103090
observed 796241184b90a60d4e7c36580ee6e817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.955716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103090/manifest.json
observed 21ef51cebaeef8f5d18b56b6b6398ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.938691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103090/publication.md
observed 578372378c93cb4ba3841c2b646a8e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.921666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103090/publication.txt
observed 1cb7a279f4278b98788f2f68c381ca57...
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.