OpenTechnical

OT-2026-000026957

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000026957) never changes.

Identity and time

Publication numberOT-2026-000026957 · never reused
Internal UUID01a0ae72-3452-7142-9714-9c7dae1fb75a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026957
StatusPUBLIC

Content hashes

Canonical text797e13fcc55e9364136268e73557d592c05d0fd43d13366013eb3ced48ed408d
Markdown92113c973b169cfa46b0b2fca4f3f8276b48d27d9fb6121b0737560138ebff50
PDF
Publication page2386e41b3cdb00df7c1466daacd1bf1cc9f0c841d9bda1813dbf6695358cf736
Manifestbf3d58c5d265f84d38b5b1b70e1e1aef0eb563e804b1534a99b30ad1f10b617b

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
SignaturexLAHAAcbEsUWYAPZ7PwAaZER/g40Xl5xMB1pFggBSlZ+p8ekde02zUzdmOKEmNSzxL1W3lvzawDibAPfCJarCw==
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

2026-09-17T11:43:34.737725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026957
observed 2386e41b3cdb00df7c1466daacd1bf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.722003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026957/manifest.json
observed bf3d58c5d265f84d38b5b1b70e1e1aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.706224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026957/publication.md
observed 92113c973b169cfa46b0b2fca4f3f827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.690827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026957/publication.txt
observed 797e13fcc55e9364136268e73557d592...
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.