OpenTechnical

OT-2026-000059636

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off 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-2026-000059636) never changes.

Identity and time

Publication numberOT-2026-000059636 · never reused
Internal UUID01a0ae89-ec24-7dd3-9c86-abde2e7e276d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059636
StatusPUBLIC

Content hashes

Canonical text1cace8163c16e2ce09609436ed6a8b1fa82fd3a120834e5a87b9d214fea0d1c5
Markdown487fabe744e7e04eff66d8b016a35489899b4d7ef684f7c65c04bfafe50c8934
PDF
Publication pageb64ea258f43d758a4de5159de59ce76cb457808d5ac8d489de1b1b9f67081f0b
Manifestfd8fbd0e6b2a9aee3f199735e4c0a5fb3b545bdba08227c8687577c19273c6b8

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
SignaturerxiOoQ6yenBmveYnj6FEvcrGvo2CPhROirioXyEKk9hH1juws5R0jQNQ7eeaXCZ1bZL8cPmrpyE+SCFmyt5WDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:19.609875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059636
observed b64ea258f43d758a4de5159de59ce76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.590332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059636/manifest.json
observed fd8fbd0e6b2a9aee3f199735e4c0a5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.572649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059636/publication.md
observed 487fabe744e7e04eff66d8b016a35489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:19.553467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059636/publication.txt
observed 1cace8163c16e2ce09609436ed6a8b1f...
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.