OpenTechnical

OT-2026-000023939

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000023939) never changes.

Identity and time

Publication numberOT-2026-000023939 · never reused
Internal UUID01a0ae70-aed6-7ce2-9a21-d8b24b0e0789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023939
StatusPUBLIC

Content hashes

Canonical texta6ce7e72c81335c27ec660d26a30853f8e91e917c08ba506581b466c4dd82e0e
Markdown31d39fd5847afa553d248a2f9b14070e98c13b88193608548b9690f050a56de1
PDF
Publication pagedc7ff3bce441b6e37654f4c755953d67dc0e8292c2fce18a09417e6e20d5df3c
Manifest45ba91d3be7ebbdb8b865e59c90fb78dc6a7bf16bd6483fced30116b73f1616e

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
Signature18Sn3grp4Mn6q/0ddp1ZPhhKoS2M9TgIriGo4xRCBCM1gAFaow5ASimK1K8Qo42GRXPBV5wHrPxXeROm1MP7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:34.044705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023939
observed dc7ff3bce441b6e37654f4c755953d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.029119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023939/manifest.json
observed 45ba91d3be7ebbdb8b865e59c90fb78d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:34.009715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023939/publication.md
observed 31d39fd5847afa553d248a2f9b14070e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.989532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023939/publication.txt
observed a6ce7e72c81335c27ec660d26a30853f...
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.