OpenTechnical

OT-2026-000033150

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033150) never changes.

Identity and time

Publication numberOT-2026-000033150 · never reused
Internal UUID01a0ae75-4844-7a1a-9b1b-68fc9eec6b7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033150
StatusPUBLIC

Content hashes

Canonical text2434df686a847a9b5531c0cbb3686b233951501d599cd6909bbd7e325cf479ff
Markdown0d45cff5e9a6f3853377807b7dc70a04bc37ad66256866ab46d9299679ad38b7
PDF
Publication pagee3fab2a00a25d95a08316c1e29618bbc012d54cc3cfa5410ce5739699211f823
Manifest3859f3d8d0afc44ca579af7143b2e793a420cf6f9db20cccce59b8a9d178d1e0

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
SignatureEUEpFELOq18oW/zWpKzBKrIwnI66O5sNZ0Drbpf2AkeeWcBMelIIXbryEmB+Dl3Ejo4qE8opxD7sTIQj9ho9AA==
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

2026-09-17T11:32:50.183071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033150
observed e3fab2a00a25d95a08316c1e29618bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.166683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033150/manifest.json
observed 3859f3d8d0afc44ca579af7143b2e793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.149607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033150/publication.md
observed 0d45cff5e9a6f3853377807b7dc70a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.131632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033150/publication.txt
observed 2434df686a847a9b5531c0cbb3686b23...
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.