OpenTechnical

OT-2026-000027188

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000027188) never changes.

Identity and time

Publication numberOT-2026-000027188 · never reused
Internal UUID01a0ae72-3454-704d-88b1-488ae89254dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027188
StatusPUBLIC

Content hashes

Canonical texte38d50e7e81309538d5841bff0cd4b93894197c16b1086d9f6d8f2487044e388
Markdown24e84370dc650e72355230c6d9f919c23c6ebfe9b8f9e3925a83a3b173d6c6da
PDF
Publication pagee28673a35d78901adf7e4e75fa080ae7f4a8a1fb829a5c572ac5fa42cf5e85aa
Manifest701cf83bce8206cc1b1baf6823b496b0d83769f2b35171e0660a88677c19f24f

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
Signature20yMZHYmJ9yqaMe+LgaJRuXBdrb7B0fzKWgQdxGsc9qmK/yeQpchnGYsniNYt1YJ26+8n6z/0/28kriR1fHsCA==
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

2026-10-17T16:41:47.335850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188
observed e28673a35d78901adf7e4e75fa080ae7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:47.284116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/manifest.json
observed 701cf83bce8206cc1b1baf6823b496b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:47.222487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/publication.md
observed 24e84370dc650e72355230c6d9f919c2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T16:41:47.167816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/publication.txt
observed e38d50e7e81309538d5841bff0cd4b93...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.555908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188
observed e28673a35d78901adf7e4e75fa080ae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.537946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/manifest.json
observed 701cf83bce8206cc1b1baf6823b496b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.518653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/publication.md
observed 24e84370dc650e72355230c6d9f919c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.500947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027188/publication.txt
observed e38d50e7e81309538d5841bff0cd4b93...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent