OpenTechnical

OT-2026-000088295

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000088295) never changes.

Identity and time

Publication numberOT-2026-000088295 · never reused
Internal UUID01a0ae9b-5d26-70a8-9019-cb647d53c487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088295
StatusPUBLIC

Content hashes

Canonical textda5aec2479c94ea644ba9a28b203de89c9c60f7db991289bd7e4d8a104e9f902
Markdown79c2641bedbade1ba9a04e7badcc3d1e167ed277e86ea37c9d87f8d06ca1c53b
PDF
Publication paged59f8a60cbdc4fc47129f87a8c91a4c3429d1d2a6e2d58948ec676283ab2a515
Manifest4008a7145b050cc4c1b838f97348ec5987e98e9f6bf46c7fd649ba9412c35cd5

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
SignaturekvL4hO05aq/g6LrC2QQ/U2QfXPWvg9M87fubML48MYNIm05mHdKgrPy2+bGiGvUKgy4GwLbIeNEsKZBLBpWECw==
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

2026-09-17T09:48:37.578758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088295
observed d59f8a60cbdc4fc47129f87a8c91a4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.560916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088295/manifest.json
observed 4008a7145b050cc4c1b838f97348ec59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.544635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088295/publication.md
observed 79c2641bedbade1ba9a04e7badcc3d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.524538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088295/publication.txt
observed da5aec2479c94ea644ba9a28b203de89...
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.