OpenTechnical

OT-2026-000048216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000048216) never changes.

Identity and time

Publication numberOT-2026-000048216 · never reused
Internal UUID01a0ae80-4de2-7584-98df-ffd70af56e42 · 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-2026-000048216
StatusPUBLIC

Content hashes

Canonical text4dd3fb22a84268e98ee0fe5dac20d99ac3f979d968c4d79f068a5cb66a839cd6
Markdown99222d8aaf4232f3d662861edc0a216177196297ce1f5681bbf147bc01f5cdc5
PDF
Publication pagef97a2985cd5320d9260bc8150b197868a1af04187ea4033ae2e8795b60043f68
Manifestd35f05fdd2cc629824cd4dd4f32db5eee56dc8ea06731017269e371d54a6f636

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
SignatureU6NZgwl7NAho59rumAAYbLBZXcdZ5GroSOo0VKAyl45EwQsyEV1ifuP1VkantWapPhGyUNuCRnH05DivuFx7Dg==
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

2026-09-17T11:04:46.016702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048216
observed f97a2985cd5320d9260bc8150b197868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.998395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048216/manifest.json
observed d35f05fdd2cc629824cd4dd4f32db5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.979188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048216/publication.md
observed 99222d8aaf4232f3d662861edc0a2161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.961246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048216/publication.txt
observed 4dd3fb22a84268e98ee0fe5dac20d99a...
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.