OpenTechnical

OT-2026-000072727

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072727) never changes.

Identity and time

Publication numberOT-2026-000072727 · never reused
Internal UUID01a0ae92-89d9-7201-9d97-88a7b76b9f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072727
StatusPUBLIC

Content hashes

Canonical text0086c492126ea63eb399b6ee11c8660c102fe7ad9103ef374d68f7a7933fe3ac
Markdownf190573f2397dc64865438b2a9faf26e695ae141a42459b9fb0f5371d57707e0
PDF
Publication page429942336aaf8335dce99a10045214c4dc776cfc8dfd6953d46f969aa4bf252c
Manifest1bead79d0129a78c8bcebbc458cc9dfe14369afbd5f8d2ceb4d7a16a60ac898d

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
SignatureH6e0WIcXVEuQMNfGAaPlWsDYVNT52xcqAcc1TCgxyzpldPaW47k4gXXJm0U3x0HMaCv4NMu8RVJtdBlgrQtWBQ==
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

2026-09-17T10:22:37.588153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072727
observed 429942336aaf8335dce99a10045214c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.570856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072727/manifest.json
observed 1bead79d0129a78c8bcebbc458cc9dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.551912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072727/publication.md
observed f190573f2397dc64865438b2a9faf26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:37.533629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072727/publication.txt
observed 0086c492126ea63eb399b6ee11c8660c...
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.