OpenTechnical

OT-2026-000021862

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000021862) never changes.

Identity and time

Publication numberOT-2026-000021862 · never reused
Internal UUID01a0ae6f-bb5b-7f6f-91f0-9bfe4cbb8ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021862
StatusPUBLIC

Content hashes

Canonical text596098bda6dbf9e0b181fdf1608ff90d7f8a3b7bc29d0aafaa984920ec90f9cb
Markdown29162703397dcfdd3106d33f1d9e470a2742fc8b7e6d81961a6d2667b9414778
PDF
Publication page412900192093618eebddfc1d989af6ebac41acef6fc0b06bb50680cc05396d45
Manifestc6b0d35dc4cb27bf41cf30dc88ad711d87afe5a9d0f65b34b68dfcc4b3eb71dc

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
SignatureXn8h86PfyuY+Pltkm0UAALbhuqzpyx5vzztwTom0NcbflOe/XZeXJir+KO7s0JEcN14NXrIK+DZd9t8mhch3Cg==
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

2026-09-17T11:54:25.475620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021862
observed 412900192093618eebddfc1d989af6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.458780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021862/manifest.json
observed c6b0d35dc4cb27bf41cf30dc88ad711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.442329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021862/publication.md
observed 29162703397dcfdd3106d33f1d9e470a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.423988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021862/publication.txt
observed 596098bda6dbf9e0b181fdf1608ff90d...
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.