OpenTechnical

OT-2026-000038024

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000038024) never changes.

Identity and time

Publication numberOT-2026-000038024 · never reused
Internal UUID01a0ae77-f88b-7c1b-af4b-17fecda2e200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038024
StatusPUBLIC

Content hashes

Canonical textd5b804a25d29653677fdfafe285bc97a8f37e39445c2bea8320cf9d44ca1f09b
Markdown88d627440b8d627dd4a3ee7ebbbfcc2e153efcaca56a23c68da39d254c082e0b
PDF
Publication page838d39d84f34ebcfe0fdbc70339fd9766cab0773f4e24b689db5b0ab9e637023
Manifest3ed08f5fcf1463fcc76b3df16a6a513a1106caa84e67f6007cbe3697ff382a87

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
SignaturexnJlLdQ6/Uk4GxNAS9B+C3GaJ1rDmmO71Fdbcta0+5vndqVxgH7DMcgojvjSFXELPW/rtkibrn9ciK3xUq5ABQ==
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

2026-09-17T11:23:19.962019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038024
observed 838d39d84f34ebcfe0fdbc70339fd976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.941240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038024/manifest.json
observed 3ed08f5fcf1463fcc76b3df16a6a513a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.918424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038024/publication.md
observed 88d627440b8d627dd4a3ee7ebbbfcc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:19.894854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038024/publication.txt
observed d5b804a25d29653677fdfafe285bc97a...
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.