OpenTechnical

OT-2026-000032546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000032546) never changes.

Identity and time

Publication numberOT-2026-000032546 · never reused
Internal UUID01a0ae75-106f-79e4-b905-7ac4de50d241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032546
StatusPUBLIC

Content hashes

Canonical textecd3a399ddf4866fe8b9ec94aae583e51969f8ec858cf69570470fc26f2c95e4
Markdownd2bea1944fec0e456bec7400c1fc823800f600fee23dc9b58d207d5a2c55f715
PDF
Publication page0d167baa4fe8c56d3c4692841a9c0b6048bdf968728c73bb6a48048cd3ae8233
Manifestdef8c86522431631f380f80c04b72d13a77e6b93786c847df5fdefdf4839a773

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
Signature9XG0tVv0ZMXpplXd206oCzUIjUYhI2z59cxQrVpsXZLU6/t8ApdSObFx7h5xMwh17uA/RRMsi52dNmoh90NgDw==
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

2026-09-17T11:34:06.700849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032546
observed 0d167baa4fe8c56d3c4692841a9c0b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.683900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032546/manifest.json
observed def8c86522431631f380f80c04b72d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.663518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032546/publication.md
observed d2bea1944fec0e456bec7400c1fc8238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.634525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032546/publication.txt
observed ecd3a399ddf4866fe8b9ec94aae583e5...
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.