OpenTechnical

OT-2026-000101321

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000101321) never changes.

Identity and time

Publication numberOT-2026-000101321 · never reused
Internal UUID01a0aea3-c379-752e-bf5d-8f0b59753a6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101321
StatusPUBLIC

Content hashes

Canonical text8ff3f59327d2b5c868cf185ef07afaf4bcb6f974ee15d9a2d0a24738c42723f3
Markdown6c74e42708c4b4de48db8365e3605af7fc1bb83d1b96240af2605238611dfa5d
PDF
Publication pagee694ff0b0925be5d6ce34f70a3ce5e4a694811ec1087e4ec291d74843c0cd346
Manifest1556773cb22e9398c52da7672783a3ff6fa89b343fe7b09126ce3d7212c69300

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
SignatureiVudrLPlmLrfIDpbIIiSBRLarrYqiMih4bXVo+ww2KsTw1Lj2VQfsoigkTOpw9i7y0HMEe9NUPQlOGZd7zXuAg==
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

2026-09-17T09:27:00.597172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101321
observed e694ff0b0925be5d6ce34f70a3ce5e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:00.580618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101321/manifest.json
observed 1556773cb22e9398c52da7672783a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:00.563170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101321/publication.md
observed 6c74e42708c4b4de48db8365e3605af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:00.545724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101321/publication.txt
observed 8ff3f59327d2b5c868cf185ef07afaf4...
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.