OpenTechnical

OT-2026-000102697

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000102697) never changes.

Identity and time

Publication numberOT-2026-000102697 · never reused
Internal UUID01a0aea4-858b-7bdd-86a6-b083faee5f22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102697
StatusPUBLIC

Content hashes

Canonical text6a5fe04bda27d4f405f5fd1cd41399eb1ba0315149ee60f7945dbc755f6d0222
Markdownb4f741918c736433c1eb6897df817404077851aca67c6f68f5c38d5421114f1a
PDF
Publication page1b3170b36c6036d07cae60cdab25658b8ff6d949325d0ff0915230c5c4323136
Manifesta795f976c9ee5f2bacbea104807fd1533bb63a5507486d1903a7fbfdc5685700

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
SignaturemV27kCV9DlxgMOwuKOeXO28SW1+/UnLOdu+lQMviyI2mBf1LXemzGPnC3jByqMg92J+tQalDwcEGWLR5aQU4Dg==
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

2026-09-17T09:24:12.458915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102697
observed 1b3170b36c6036d07cae60cdab25658b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.438169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102697/manifest.json
observed a795f976c9ee5f2bacbea104807fd153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.418861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102697/publication.md
observed b4f741918c736433c1eb6897df817404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:12.399889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102697/publication.txt
observed 6a5fe04bda27d4f405f5fd1cd41399eb...
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.