OpenTechnical

OT-2026-000100849

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100849) never changes.

Identity and time

Publication numberOT-2026-000100849 · never reused
Internal UUID01a0aea3-66f5-74ee-b27c-d7c7ea2b683b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100849
StatusPUBLIC

Content hashes

Canonical text729e3afe7890600c72c439d1f4cc2b49e8911e475f409698164fdfc2b487a58f
Markdownf89a4cedc6355d02a272fa11a177517f19eb2131c4d04f6bd1dbab0a25b3278b
PDF
Publication page573bcfb507ecd095511bc6f9786ee8578afc65f1b6edfde8e99d6fa228878474
Manifest661f9684058e7110d325af9155e4fadd43b6965e825b7cc0cb575ce83bc2d017

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
SignatureiVZ5gSIX+5ZSPoIWH0R9e7l9jsyH8XDRTLeNi81788aT+6own6MPABspfjzPqbMVLacXg0XeFq/l3r31tVNJCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:46.636146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100849
observed 573bcfb507ecd095511bc6f9786ee857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.618539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100849/manifest.json
observed 661f9684058e7110d325af9155e4fadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.600155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100849/publication.md
observed f89a4cedc6355d02a272fa11a177517f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.581261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100849/publication.txt
observed 729e3afe7890600c72c439d1f4cc2b49...
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.