OpenTechnical

OT-2026-000073243

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000073243) never changes.

Identity and time

Publication numberOT-2026-000073243 · never reused
Internal UUID01a0ae92-efb6-772c-b881-f6df767243a0 · 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-2026-000073243
StatusPUBLIC

Content hashes

Canonical text078c25ff10c5a0c0d99340481598a601cd06ee6620448aeb2802ba9c872801a5
Markdown39db51b7f7dcc4d0655238f44d721ad6d9f0c5a644bdb06379a48a9a721655aa
PDF
Publication pageef01fa495d1f231a46768b7d6f679057d707a32b6c0936aab6b5eaaac7415aeb
Manifest6b61f88a683305ab4982354d41737b49608ea964cc42e4c737ab14f74b95d617

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
SignatureqX1rG0HbtGQKrmQ+mzvVoBwknZgMz0DvgnkELXLaABbdMNgxg9QFvLeHWBa45ISZlJz+jT9PE2HWegzsBxPCBg==
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

2026-09-17T10:21:14.022945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073243
observed ef01fa495d1f231a46768b7d6f679057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.003422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073243/manifest.json
observed 6b61f88a683305ab4982354d41737b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.984559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073243/publication.md
observed 39db51b7f7dcc4d0655238f44d721ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.963631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073243/publication.txt
observed 078c25ff10c5a0c0d99340481598a601...
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.