OpenTechnical

OT-2026-000048628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000048628) never changes.

Identity and time

Publication numberOT-2026-000048628 · never reused
Internal UUID01a0ae80-4de8-71b1-924e-d47a5a282f09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048628
StatusPUBLIC

Content hashes

Canonical text7c70ac51dd2263adfd0ee32983131fe51ab93a24e3635454dbbc4430f81efd34
Markdown01d7c3b97c5682d98bb44d8c17ae36e7f7a60c3469546c9a2643f308a469863d
PDF
Publication page680fefd527d0d07c2d2e8123965ad6be04f6a19d090cfdc327936fdf3dadebce
Manifestc97fd7b71a1f30c69e17ed0c32c10693b1e48b26dee2745aea3e310aa7d7acfc

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
SignaturexPk0B6TdJvHAfylhIMFwCsbpk+R5vDS86T7RJAy/UTqZRX+gSCfKrbERXYVT+GCemBPteemZYoszYsTlQ20mDg==
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

2026-09-17T11:05:27.007136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048628
observed 680fefd527d0d07c2d2e8123965ad6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.988220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048628/manifest.json
observed c97fd7b71a1f30c69e17ed0c32c10693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.969990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048628/publication.md
observed 01d7c3b97c5682d98bb44d8c17ae36e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:26.952158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048628/publication.txt
observed 7c70ac51dd2263adfd0ee32983131fe5...
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.