OpenTechnical

OT-2026-000031665

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000031665) never changes.

Identity and time

Publication numberOT-2026-000031665 · never reused
Internal UUID01a0ae74-bad0-7e0a-9195-e4590cf65b52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031665
StatusPUBLIC

Content hashes

Canonical text35df716d9fd14d7704cde1378794432db401053d69c8ce69b551a3145f715da2
Markdown45459648abbdd9d44bae03d5047b808390f685e1e63412ffc1255514da22bfcf
PDF
Publication page2e0c37702e30365fd06ca868ca3d6ab5d10a692b8c7af1af5e4270c9e06882b0
Manifesta3c73eb02bdca5f2ee19acfb49b41a2beedd77ed27a64090acb04a074bbacb5d

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
SignaturegR9vd4h55fXpkE045E0K3b/0q3MqWPkiXlfyCpKwHNDJkU/5yo79KgbkzXH4i4fQwRl4fjvfxklTlGfKEomACA==
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

2026-09-17T11:34:45.669074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031665
observed 2e0c37702e30365fd06ca868ca3d6ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.646461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031665/manifest.json
observed a3c73eb02bdca5f2ee19acfb49b41a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.628524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031665/publication.md
observed 45459648abbdd9d44bae03d5047b8083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:45.607718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031665/publication.txt
observed 35df716d9fd14d7704cde1378794432d...
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.