OpenTechnical

OT-2026-000073542

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000073542) never changes.

Identity and time

Publication numberOT-2026-000073542 · never reused
Internal UUID01a0ae92-efb9-77db-bf20-967b6eac2670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073542
StatusPUBLIC

Content hashes

Canonical text57be65330aa1614bd821c75185b761df9c1a0342100b29ec67e294f9f643add1
Markdown5da3fc7a3df4806f9401a9a129b09b29b7227177fa757e77871ad01c0156bdc7
PDF
Publication pagee9cec1481c17452161f4ee19a69af9341f446a6d9b7dd0cc93a207fdd9369127
Manifestc06f6384ca2eb727e8150d4adcf239f947b3d44fb8a17ce8c7393a713039b332

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
Signature4FxiMnsDCE86pLqLIVDxzU88M/BOF7zaS0kQQn3y4Rz3NZ7VRyiKXsD2/jj/PKi4w6DzHzni/+g1V3n5ALu4DA==
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

2026-09-17T10:21:10.695637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073542
observed e9cec1481c17452161f4ee19a69af934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.674561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073542/manifest.json
observed c06f6384ca2eb727e8150d4adcf239f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.654810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073542/publication.md
observed 5da3fc7a3df4806f9401a9a129b09b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.635211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073542/publication.txt
observed 57be65330aa1614bd821c75185b761df...
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.