OpenTechnical

OT-2026-000017164

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000017164) never changes.

Identity and time

Publication numberOT-2026-000017164 · never reused
Internal UUID01a0ae6e-76c7-7a65-93fd-bac98e750460 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017164
StatusPUBLIC

Content hashes

Canonical textea1c2736cafe56e954e2d1690bad0041ee3460058528835d1ee74b3e00981ba0
Markdown9a84aa36814acbd8058b45ebcf6f59b9fb6c5aaff948102c6ec2d79f00ac1246
PDF
Publication page89bb5e90937dacc21170497555bbe0dca67a0331cf1989a1582996e332b45ecc
Manifest15cd6e71d9506199499b4d0edaa7770bdd53898cea3672a26704af9377d327b6

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
SignaturegnttkNSw0DhWnptrq3HemzjwplGjCWqJxykAQMnZTcY5VwAUGPcB2mHXkURppPjvRpYbWJlVeUIRnvnUBUESCA==
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

2026-09-17T12:02:13.793076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017164
observed 89bb5e90937dacc21170497555bbe0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.776116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017164/manifest.json
observed 15cd6e71d9506199499b4d0edaa7770b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.757615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017164/publication.md
observed 9a84aa36814acbd8058b45ebcf6f59b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.741915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017164/publication.txt
observed ea1c2736cafe56e954e2d1690bad0041...
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.