OpenTechnical

OT-2026-000017856

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000017856) never changes.

Identity and time

Publication numberOT-2026-000017856 · never reused
Internal UUID01a0ae6e-96fb-73ae-a6af-3ab77a0eb67b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017856
StatusPUBLIC

Content hashes

Canonical text6da570901eb842ac2732fa66a68a31b96cd444aa5c60eab03494c9f98ecb3667
Markdown591be39043c9d95c0949237f1d7379014983b841bd637ee5c15eac4eba6af757
PDF
Publication page5f070303bb7542f63e0b8262464cfd250c166c215d9789d2fab43477deae1ed8
Manifest31fd1d594f836b1e50054725ebee6b4a35134ec50044fae2c60d88849d13f8ab

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
SignaturezgphpuPgH9xEDi64kNpnLEfhDmFI0sv7KJgMKo4ArCCBWrj874BMszcQQRM8UGatW0mcLUbkSJD6ExLNxRU7AA==
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

2026-09-17T12:01:50.365615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017856
observed 5f070303bb7542f63e0b8262464cfd25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.350115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017856/manifest.json
observed 31fd1d594f836b1e50054725ebee6b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.315575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017856/publication.md
observed 591be39043c9d95c0949237f1d737901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.288218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017856/publication.txt
observed 6da570901eb842ac2732fa66a68a31b9...
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.