OpenTechnical

OT-2026-000081503

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000081503) never changes.

Identity and time

Publication numberOT-2026-000081503 · never reused
Internal UUID01a0ae97-0f70-7ffb-a734-8e5aa1984b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081503
StatusPUBLIC

Content hashes

Canonical textfbf485827511f308bd18a37df2188297c8183d41473ae34c7249c191f592025e
Markdown524264fee1a8e2402d7470319f1377425a2a35665771c8b5bf4424953fb01920
PDF
Publication page5a966d7a0ac954156b568092a18457927f158a9a5aa0b9355c216a0b7739bfaa
Manifesta11b990c6ccce2f762ecb076587918a1b5d18db447ba1e056729777a07dfbd58

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
Signature+b9hBdXEKQ5F+vNddcXAyz7VuNAv6asp2XqegtyJkDpIeBDEvz1rKpRWuxTGM2CWxYX89elV/GyL5daJl10nBw==
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

2026-09-17T09:59:31.008079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081503
observed 5a966d7a0ac954156b568092a1845792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.985827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081503/manifest.json
observed a11b990c6ccce2f762ecb076587918a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.968127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081503/publication.md
observed 524264fee1a8e2402d7470319f137742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.949953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081503/publication.txt
observed fbf485827511f308bd18a37df2188297...
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.