OpenTechnical

OT-2026-000085952

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000085952) never changes.

Identity and time

Publication numberOT-2026-000085952 · never reused
Internal UUID01a0ae99-e82a-7b4a-8252-792bd207276c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085952
StatusPUBLIC

Content hashes

Canonical text3c256151857e6bd2eb9d51bd3151e7ab482ea2c185dbcec37b525955293787d6
Markdown9cdce4b6ce42af1b91e363e601f38c26aad64c715a2376ba858a325d3200f09b
PDF
Publication page1d97275ddcc9093d1c743e4bc6a336450786090ce1e146b664da41175111e379
Manifest49360cbcaafa9c1d9e71a3a87ab457696df8e6e44d5170d1de07ada49e934a2d

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
Signaturerl0uIfFvZDd9s9hdO7oSZXxUd1hteUCyGvVvFxIrnSTCSgRjY4ngijSHHOasbkappVOcTlEhnGmbGSximjJ5Aw==
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

2026-09-17T09:52:54.890661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085952
observed 1d97275ddcc9093d1c743e4bc6a33645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.873029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085952/manifest.json
observed 49360cbcaafa9c1d9e71a3a87ab45769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.847929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085952/publication.md
observed 9cdce4b6ce42af1b91e363e601f38c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.691426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085952/publication.txt
observed 3c256151857e6bd2eb9d51bd3151e7ab...
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.