OpenTechnical

OT-2026-000077290

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000077290) never changes.

Identity and time

Publication numberOT-2026-000077290 · never reused
Internal UUID01a0ae94-f508-71d7-ab86-632546cac7f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077290
StatusPUBLIC

Content hashes

Canonical textb5bf982db099d752cf3e0200a327e329f98f2212253031407938eb5e2038380a
Markdown1d5f3a88ea50e6391a3f0b3a295bef48ff60c22aa4cee85585e5b07e6e877c55
PDF
Publication pagec9c00ba48ed182b2dac074e995cf17366e25fab31a2c89f97acad0d445dfd508
Manifest023ea8cde9fe077a8911a88c96165a15cc85860b6a8fcfb2949f79d4d9966ecc

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
Signature11OrYgALyquF/JdlgMoajNqY/VrzI7ko7DlGeTqZ/7NBXI9LF4rSmWjqBgTubjoYd2QPQabn71bKO862uVu9DA==
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

2026-09-17T10:10:58.760623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290
observed c9c00ba48ed182b2dac074e995cf1736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:58.740404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/manifest.json
observed 023ea8cde9fe077a8911a88c96165a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:58.721930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/publication.md
observed 1d5f3a88ea50e6391a3f0b3a295bef48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:58.703542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/publication.txt
observed b5bf982db099d752cf3e0200a327e329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.351670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290
observed c9c00ba48ed182b2dac074e995cf1736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.334449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/manifest.json
observed 023ea8cde9fe077a8911a88c96165a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.316060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/publication.md
observed 1d5f3a88ea50e6391a3f0b3a295bef48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.297404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077290/publication.txt
observed b5bf982db099d752cf3e0200a327e329...
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.