OpenTechnical

OT-2026-000050506

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050506) never changes.

Identity and time

Publication numberOT-2026-000050506 · never reused
Internal UUID01a0ae82-5c49-7723-8deb-d495f1d9f094 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050506
StatusPUBLIC

Content hashes

Canonical text71fde399d6d08b41205fb25cb171bfaca5f3c7508b2c3d142251c697bfb8ef3d
Markdownafa06ae64da2af6ff933f6ad8de71bd1fa9b01e525c4badc1bb50dd10b7cc251
PDF
Publication page13dea218892121fed7096fb55c6cc6c4aea8dd5df7388525879e88bed3fd0d9d
Manifestce952d5e1b04e4bbc2630580c814e299c07ee2ea862efd239b4f0ed012cab075

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
SignaturebUb7YmNG82hIzGF81foRPRxIO0detyNiQF46XX8VXUTbJQXZGmAuHykn/zxBNlb8WCgAgjNsAyBTb9dw14OpCQ==
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

2026-09-17T11:01:33.856845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050506
observed 13dea218892121fed7096fb55c6cc6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.839906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050506/manifest.json
observed ce952d5e1b04e4bbc2630580c814e299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.824014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050506/publication.md
observed afa06ae64da2af6ff933f6ad8de71bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.806635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050506/publication.txt
observed 71fde399d6d08b41205fb25cb171bfac...
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.