OpenTechnical

OT-2026-000066287

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066287) never changes.

Identity and time

Publication numberOT-2026-000066287 · never reused
Internal UUID01a0ae8e-8dc4-7d7b-a88e-7122586a056d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066287
StatusPUBLIC

Content hashes

Canonical textdeb5744f69014af8d9546e7c19c462542b6d77ddb226997efd670a09dacd3b2d
Markdownd9320b614e89cad4e037b4a232ace5038915de67affe0acaf0d1ffef5e132461
PDF
Publication page9e108cccbd59ad1da55b245555883d460771af097c47659360d73b3194d5538e
Manifestf720e7e9c57e8e88bb9415fd23072d230ce73e6b53a8204efb58599da99f579a

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
SignatureF1u7DLj2dE9wWnqJ8rwMe5b4hpzRtawg/Bzh7J4gUWzuD4Acri8VVVh3taVOZ2bdpNB1QefiYdDkXr57OsNgBw==
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

2026-09-17T10:33:28.047308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066287
observed 9e108cccbd59ad1da55b245555883d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.030367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066287/manifest.json
observed f720e7e9c57e8e88bb9415fd23072d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:28.013349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066287/publication.md
observed d9320b614e89cad4e037b4a232ace503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.995300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066287/publication.txt
observed deb5744f69014af8d9546e7c19c46254...
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.