OpenTechnical

OT-2026-000091215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091215) never changes.

Identity and time

Publication numberOT-2026-000091215 · never reused
Internal UUID01a0ae9c-f16b-79e3-b9ca-ee8c4bf2f884 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091215
StatusPUBLIC

Content hashes

Canonical text595ddf3d57de76784ea79afbaffb7710a269761de0388a9372ad1ba79533f6a6
Markdowne1193e0a30382cd5debe58f7bb934c7e1ea835bccdccadf2fcd6f60dcf6926c3
PDF
Publication page4d0e95226148f2515e3e8af0998e0be41c04440dee031d3012c9991cd3c055a6
Manifest998948fe3d95a7cb9a6362e00c7c9fa06d62445986c90c1cecc0e5b213b0634a

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
SignatureSTD+oGL0eqt6wBObOuRxiWO7ZAPCP+IaDu5ZTm61JSsSKRWP0oo5hphydlXQOtoEyMZAqikWp546RDD8xpTdDg==
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

2026-09-17T09:43:23.041652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091215
observed 4d0e95226148f2515e3e8af0998e0be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.014421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091215/manifest.json
observed 998948fe3d95a7cb9a6362e00c7c9fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.996684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091215/publication.md
observed e1193e0a30382cd5debe58f7bb934c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.978217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091215/publication.txt
observed 595ddf3d57de76784ea79afbaffb7710...
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.