OpenTechnical

OT-2026-000086235

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086235) never changes.

Identity and time

Publication numberOT-2026-000086235 · never reused
Internal UUID01a0ae99-e82c-7124-b323-c3341870d1d3 · 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-2026-000086235
StatusPUBLIC

Content hashes

Canonical textee70eb5867b23f675b75e1749ca36df32e9a06801813b72fc62a8719f01aa529
Markdowneb1877025b0a9fc3430f5bb0374b512da20066eac36143570e1cd0ea11c8a663
PDF
Publication page7ff8a7bfcf1fe5b87d86ca7a8f258eac61c78781dbcaad65e8b5a7334011c6f1
Manifest9281b7d3d9f910aa6c4373090fdd8d2a330477d0be9cd5ac086106e69859636c

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
Signaturet2M+1bjeD7iAFDlFE+zukt5dha2b/A2U3tcPMrnF5FVdMs7oYReoErLmctISL8Kspy+dN8xSrQRnQzfD6ZZ9CA==
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

2026-09-17T09:53:55.387583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086235
observed 7ff8a7bfcf1fe5b87d86ca7a8f258eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.371946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086235/manifest.json
observed 9281b7d3d9f910aa6c4373090fdd8d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.355630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086235/publication.md
observed eb1877025b0a9fc3430f5bb0374b512d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.339496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086235/publication.txt
observed ee70eb5867b23f675b75e1749ca36df3...
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.