OpenTechnical

OT-2026-000040838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040838) never changes.

Identity and time

Publication numberOT-2026-000040838 · never reused
Internal UUID01a0ae79-6d10-70ad-bf37-0c3efe624bc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040838
StatusPUBLIC

Content hashes

Canonical text21d2e385308835d34dff4c44cee496be0471e2f0216256e6740a8b972e092cb5
Markdown3cf227aa99405dfcaff221d75604d0750d7a296981b07f4e727d5cb51f61963a
PDF
Publication page873ece9d79ca09a3116c9613d075436363144d0082043e52d497e765764ac9cf
Manifest962e6c8187cded32a1fc98afcfe2719b906e2b35f3178486c559f126144e59fe

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
SignatureF0jb02L/dzO7ljSxmrqGCrJa+9U0vRdsuawwRP2jNZoqwn03ECL30eUlblaIH6FhufpmzSPkur+C6C1sI+zJAQ==
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

2026-09-17T11:20:11.182102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838
observed 873ece9d79ca09a3116c9613d0754363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.165440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/manifest.json
observed 962e6c8187cded32a1fc98afcfe2719b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.146953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/publication.md
observed 3cf227aa99405dfcaff221d75604d075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.128296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/publication.txt
observed 21d2e385308835d34dff4c44cee496be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.171547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838
observed 873ece9d79ca09a3116c9613d0754363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.152424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/manifest.json
observed 962e6c8187cded32a1fc98afcfe2719b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.135138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/publication.md
observed 3cf227aa99405dfcaff221d75604d075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.117126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040838/publication.txt
observed 21d2e385308835d34dff4c44cee496be...
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.