OpenTechnical

OT-2026-000015442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000015442) never changes.

Identity and time

Publication numberOT-2026-000015442 · never reused
Internal UUID01a0ae6d-ef4a-7bd8-bb5e-c17ff8f834f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015442
StatusPUBLIC

Content hashes

Canonical text0902ea4cda8ccad0a1d5d281bb392e99fc4335d39f2593841fceec20ed4d930b
Markdownad2a3821d2109a9674ddd036ba73f4493f72449da0e950abe9b7957169c1fcde
PDF
Publication pagebbb69f1c1b8be5be41efa53527b1ef9789efd9603bac9149f4fbe0c70cfb3745
Manifest12d33ae899cc89f4a3dab2139f4d09574c92a90f4fdad45fa419a80a4d6bdcc1

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
SignaturepLfJEo+E2YMGvHs7HS5bRIMwhaZDUir7XmQLu1aL6Ur8bq6hoETb6smrjO1fL4GW38grrH8fD/QQoKfj4ccICQ==
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

2026-09-17T12:06:11.069239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015442
observed bbb69f1c1b8be5be41efa53527b1ef97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.050533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015442/manifest.json
observed 12d33ae899cc89f4a3dab2139f4d0957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.030329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015442/publication.md
observed ad2a3821d2109a9674ddd036ba73f449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.011187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015442/publication.txt
observed 0902ea4cda8ccad0a1d5d281bb392e99...
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.