OpenTechnical

OT-2026-000068079

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000068079) never changes.

Identity and time

Publication numberOT-2026-000068079 · never reused
Internal UUID01a0ae8f-c4fe-7e46-ac54-fcb68c06b7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068079
StatusPUBLIC

Content hashes

Canonical text117d82e1c8ed11c12967ec76daedde085a1f5dfb2d99f720e562d1ae6476608a
Markdowncda32ba878184e0521ec9137ea2a735eb2784e3f1803f35e8ca0757734f3d0a8
PDF
Publication page0f4948cddf1935934eeef71457d501ec3d168eff8546e9878ae0dfc2f721abb9
Manifest188c45513c42bb088ed465f3f24077b2f5c5e560b2b479e1c5bd3c62931b2fc1

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
SignaturecSjy380fx4a0vs+TwMkOufmP94bI17tLcICrqu2E23tsEFaJJe3aoJUB2phHAVgPbSd9b/aMQ6S1Gb22AUG4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:40.217758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068079
observed 0f4948cddf1935934eeef71457d501ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.195930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068079/manifest.json
observed 188c45513c42bb088ed465f3f24077b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.177200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068079/publication.md
observed cda32ba878184e0521ec9137ea2a735e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.154370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068079/publication.txt
observed 117d82e1c8ed11c12967ec76daedde08...
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.