OpenTechnical

OT-2026-000071740

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000071740) never changes.

Identity and time

Publication numberOT-2026-000071740 · never reused
Internal UUID01a0ae92-1e91-7d66-8ffe-85da4dad7f61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071740
StatusPUBLIC

Content hashes

Canonical textcd989cb3b1709f743df54d581965ea67d37a1332638090fd6a688ca144f5b924
Markdown56d0ad208d1557a9fdb5d8b05717c662ddc9f722101b5b90d6ae2a9974ffc246
PDF
Publication page2564c1b5b9bb1790c6fbc9dc4a9b676d32211d4317e3fa6c6a27aff1e04fa772
Manifest88ba8bcb2471462adc4a7d16306c0edabe075c27f23bf3029bd90ffc09265563

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
Signature5h09oBJmRNTba77wttV+8+xbsQ8fU7eqZoegdC2/DAib3OAMz4KAayH7z2ot2+j25t+I0V0OO/9/NgDtxj3iBA==
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

2026-09-17T10:23:53.859894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071740
observed 2564c1b5b9bb1790c6fbc9dc4a9b676d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.842211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071740/manifest.json
observed 88ba8bcb2471462adc4a7d16306c0eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.823268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071740/publication.md
observed 56d0ad208d1557a9fdb5d8b05717c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.804836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071740/publication.txt
observed cd989cb3b1709f743df54d581965ea67...
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.