OpenTechnical

OT-2026-000010923

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000010923) never changes.

Identity and time

Publication numberOT-2026-000010923 · never reused
Internal UUID01a0ae6c-540d-7127-90d0-b06c934c645e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010923
StatusPUBLIC

Content hashes

Canonical textdb78e4905134bbc0077c252226c7675c286c64103e067abb5a192178526b475c
Markdownc53706358c28c6bf1039173faa5968eae81127bf9030e25c35747b7aafd2c965
PDF
Publication paged52b4d809c58119b9cd8286b95d9367c83bcb481441fe18944f3183b7f230bc7
Manifest7ed64933bda4411b9bd17effad733988582ca5d947b0e1acc04a1376106446bb

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
Signature8CYc/PGDx2VgcHF7Ull+ZCwhG2CjxUk62rFSTo5MaBHKYDTip9ZdDiAJad2Vb2Jqsz6+9dRgWulCrMlKUFdyAQ==
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

2026-09-17T12:13:42.377759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010923
observed d52b4d809c58119b9cd8286b95d9367c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.355817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010923/manifest.json
observed 7ed64933bda4411b9bd17effad733988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.335496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010923/publication.md
observed c53706358c28c6bf1039173faa5968ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.314695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010923/publication.txt
observed db78e4905134bbc0077c252226c7675c...
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.