OpenTechnical

OT-2026-000065640

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000065640) never changes.

Identity and time

Publication numberOT-2026-000065640 · never reused
Internal UUID01a0ae8e-46fa-71b3-88f9-5ab0f56a1731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065640
StatusPUBLIC

Content hashes

Canonical textdfe55ba7b501041926f1d4fdfe4d21a351dddd0a68a0b17cfbabf64f3e4bdcce
Markdown2e41bd87999e8395dd64c6c7621d8a27bd66f18194c3df182cac24e53893088f
PDF
Publication page7c55aa4fcd541d76cc63b1880752b38c37e8cd63fc537a433bd7d60343a4d17f
Manifest2bc2300583cb74ddf7f9022bdcc1194f1f5ec39a4a5deeac5eac5a7507a1de99

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
SignaturebeSkQVenKGf63Dzm1B7B0fjnKZKU4jtVh7Lk6yx+BZdI7oksJP8EKHWYOq0qxacIyokknRV9JoZDq4l2UtWSDQ==
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

2026-09-17T10:34:02.164059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065640
observed 7c55aa4fcd541d76cc63b1880752b38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.146453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065640/manifest.json
observed 2bc2300583cb74ddf7f9022bdcc1194f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.129474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065640/publication.md
observed 2e41bd87999e8395dd64c6c7621d8a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.113390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065640/publication.txt
observed dfe55ba7b501041926f1d4fdfe4d21a3...
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.