OpenTechnical

OT-2026-000086349

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086349) never changes.

Identity and time

Publication numberOT-2026-000086349 · never reused
Internal UUID01a0ae9a-2c96-73cc-aa90-506fd8ae660e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086349
StatusPUBLIC

Content hashes

Canonical text9e03b03ef28986fdecb76d4c1e0460966334a55274755ac981127189c014d979
Markdown87297859ab63ce562b369238faf3a69d76fcff569f9b15d70acd7f938e64667f
PDF
Publication pagec1028e33ef205910c5b2a0ba4fa31ccda48136e0fbaead6dadf644fa96086091
Manifest869f7caad99e695a3bd651e7a966cc22b3fa2ec427224f8127710b4ae63e4616

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
Signaturew43b4zz0wCTFEYmJDgfvC2EfoQm7QpT5hbyMfH4a8cL11kj4dvpoRJVrz9NI9cvYjym89x/bS66An+x8pSR9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:02.587658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086349
observed c1028e33ef205910c5b2a0ba4fa31ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.569858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086349/manifest.json
observed 869f7caad99e695a3bd651e7a966cc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.552982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086349/publication.md
observed 87297859ab63ce562b369238faf3a69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.533647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086349/publication.txt
observed 9e03b03ef28986fdecb76d4c1e046096...
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.