OpenTechnical

OT-2026-000021916

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000021916) never changes.

Identity and time

Publication numberOT-2026-000021916 · never reused
Internal UUID01a0ae6f-bb5b-720d-a6fa-88cd1e196d3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021916
StatusPUBLIC

Content hashes

Canonical textfe76b4c71b3b435de9bb41913b3630d07c1ac3adff48ad849fc366eaa1efa23e
Markdownd9ac1257a651bee9b278e30d88f1b09754dafed7df230a8aa85d1987dd346a44
PDF
Publication pagec30c4019c08e35db68fc50c823d58dc9dbb48e372426e734de9d89293a86f2ea
Manifestd2021473a303bd439d0aad7cee209b025383994df42ca8178df6516b9fb51b53

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
Signature4CnNAwyg+DI94h0HASWl6aaATlIXWKm//beBv+i2U/lOKe18A52Gj17SdGWRapRgUz0483pVHvr6nzA908BXDQ==
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

2026-09-17T11:54:29.385516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021916
observed c30c4019c08e35db68fc50c823d58dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.368594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021916/manifest.json
observed d2021473a303bd439d0aad7cee209b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.350911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021916/publication.md
observed d9ac1257a651bee9b278e30d88f1b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:29.331580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021916/publication.txt
observed fe76b4c71b3b435de9bb41913b3630d0...
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.