OpenTechnical

OT-2026-000095839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000095839) never changes.

Identity and time

Publication numberOT-2026-000095839 · never reused
Internal UUID01a0ae9f-fac7-7821-950f-ffd3d1323dd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095839
StatusPUBLIC

Content hashes

Canonical text08631023f1de8492649c892e72e2e790d5356670edf72fa1043ffd85682b143c
Markdowne93b5b063dc951641e6a64977460a5fb5a467a4446f1643946c49f746f747a9d
PDF
Publication pageba1587c7e3a061f433b24eafbb2fc848dfb9f538fc20729b756b6821747d2f3a
Manifest6cdf2a047e0a0273471952cf8aab2f988f5575332ffbb83fc2a0446e613fa8b9

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
Signaturev/boDjNyv7ia2+UrwtKQAR2DS4KicgMKr5nUNUk77Q3eQVX+hR1TBeNKNc4FQ4CH+F+hOUKLm4YcnaZIX0YyCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:55.516506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095839
observed ba1587c7e3a061f433b24eafbb2fc848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.498866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095839/manifest.json
observed 6cdf2a047e0a0273471952cf8aab2f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.480930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095839/publication.md
observed e93b5b063dc951641e6a64977460a5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:55.463130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095839/publication.txt
observed 08631023f1de8492649c892e72e2e790...
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.