OpenTechnical

OT-2026-000020978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000020978) never changes.

Identity and time

Publication numberOT-2026-000020978 · never reused
Internal UUID01a0ae6f-65e4-7191-a932-6721f4b6c485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020978
StatusPUBLIC

Content hashes

Canonical text4c913f86d46e47b35b85685143799f173cc8c7aadef104a6774d6903b024e840
Markdown19988b9a5c8aa0c2c7257603ca0cb98c855f8d21d05f08ca38afb71a750b4d5c
PDF
Publication pagedc1ad4e41a524c888025fc19e2014ff74e2648171718c519905a028ce3f975aa
Manifest3933fa83dd6b1832ee2961d986f6d3888c87d33ed9b02451c7025a407c2c614e

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+S+nNgr58KLxOkNWBkucxzHIivx4aYOwftB7yezxnySDsnG3GLDnvlPJ0T/UUASKYPOOUN0F6iK684TI8GxsAQ==
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

2026-09-17T11:56:07.450608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020978
observed dc1ad4e41a524c888025fc19e2014ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.431942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020978/manifest.json
observed 3933fa83dd6b1832ee2961d986f6d388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.413778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020978/publication.md
observed 19988b9a5c8aa0c2c7257603ca0cb98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:07.397499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020978/publication.txt
observed 4c913f86d46e47b35b85685143799f17...
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.