OpenTechnical

OT-2026-000048780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000048780) never changes.

Identity and time

Publication numberOT-2026-000048780 · never reused
Internal UUID01a0ae80-c32c-7215-97fc-a5927370a197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048780
StatusPUBLIC

Content hashes

Canonical text994b6dce681a83d760904fcb48fe3a8d4c5f4932e85963cef48cf8eca9a5b64b
Markdowna2506332a54d85a036151c560d82178c693bd0959b984f05bcee7fbf4a93eadd
PDF
Publication page23bc861d1977d785a1e1faef4d439343bd988a8e0e53950b9f3d74adceaff46f
Manifest976116abe09153feb78022f27277e90c581b299b1cfd0f9de3c90147188981f8

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
SignatureIDYIc/M6q+T7je+eczzHDl9OvjBORvUxIPXRHHTSlwn5fHxgeoYmabROfQbTDUWQp14xcUknfc8zGYQ4PKfxAw==
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

2026-09-17T11:04:28.680904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048780
observed 23bc861d1977d785a1e1faef4d439343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.653036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048780/manifest.json
observed 976116abe09153feb78022f27277e90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.625624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048780/publication.md
observed a2506332a54d85a036151c560d82178c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.596998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048780/publication.txt
observed 994b6dce681a83d760904fcb48fe3a8d...
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.