OpenTechnical

OT-2026-000047383

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000047383) never changes.

Identity and time

Publication numberOT-2026-000047383 · never reused
Internal UUID01a0ae7f-3e57-722b-9a13-58d91ba18e40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047383
StatusPUBLIC

Content hashes

Canonical textbd34918ac626eedc8ee13fd062ee81193f9c2615977bbea6f98214508ba2195a
Markdown1eee3f2f91eb260c5e8a07db9de6a4786f9ab9f6017b46cfc469ffb2afcb832c
PDF
Publication pagec0c73e613529cb381710226eb91cae29af477949e24a2e9d1a002846d3280623
Manifestac13b1c9c32ca63a5a23455324eff9673b19e66565cb47bdfc5e3ae5be08c0b5

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
SignatureMpGzgKY0yr5yuJB9weRsseSsL5bI7dIOrYfqUe73Dio6n8yWVQ0Adz9ofolBktBWal+U9tL8yhRNZWFnyQlGBg==
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

2026-09-17T11:06:23.419756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047383
observed c0c73e613529cb381710226eb91cae29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.401271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047383/manifest.json
observed ac13b1c9c32ca63a5a23455324eff967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.383284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047383/publication.md
observed 1eee3f2f91eb260c5e8a07db9de6a478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.366288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047383/publication.txt
observed bd34918ac626eedc8ee13fd062ee8119...
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.