OpenTechnical

OT-2026-000073409

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000073409) never changes.

Identity and time

Publication numberOT-2026-000073409 · never reused
Internal UUID01a0ae92-efb8-7b43-9e8e-1489a21d114e · 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-2026-000073409
StatusPUBLIC

Content hashes

Canonical text74d50c1848614a90439da07e9d77a2381acb39eab639e11fcaaa1ec68287056d
Markdown8bec56d074471e632e6e40a415f67230cfe77b3f5b8e06014faa53066391623a
PDF
Publication paged835a678d8a0ac545bab7ac13578c10216b25f9c28dfeb969ec4efdfc239212e
Manifestaf5e6fcfdcf6b8decd4f367ba1ae0a4f2400c494bd07667cbc4c39bb55d3cced

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
Signature0SChhR6Hr9+O/V2LLr2gPEHLsc4IgwYRR7XoQvoNjf4QS9HFQf2TDgSq7kRKUJkSA5Au1MWqixV36r0JuPmzDw==
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

2026-09-17T10:21:27.346146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073409
observed d835a678d8a0ac545bab7ac13578c102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.328728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073409/manifest.json
observed af5e6fcfdcf6b8decd4f367ba1ae0a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.310534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073409/publication.md
observed 8bec56d074471e632e6e40a415f67230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:27.291247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073409/publication.txt
observed 74d50c1848614a90439da07e9d77a238...
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.