OpenTechnical

OT-2026-000048131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000048131) never changes.

Identity and time

Publication numberOT-2026-000048131 · never reused
Internal UUID01a0ae7f-c424-7d40-8b25-fb3add1e2061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048131
StatusPUBLIC

Content hashes

Canonical textf3058cff776ca53bdc8d588425530e9b3e410c265340f44a7c9f95e23281a0f6
Markdown680b43e7da9397baad56da53c3c9b1bcd23f9a9ec2e9d2b6c04fb645dc9f700c
PDF
Publication page991ee4dc3fdbd304c5cf5611b32fe86fc46bfe63807fa480cb03708b9d26a110
Manifest3460b476576a2f1cce21bc26ac1233792160430c887fafca0234103b47c75c84

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
SignatureHl82yhX2rpVe5ObnHASq958IOkvDhTX/SwoF8lz0MGQTMWuoTBYydW8nWIT1w35JkhtyNRrX9Knwb9BUqdqsAg==
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

2026-09-17T11:06:10.331617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048131
observed 991ee4dc3fdbd304c5cf5611b32fe86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.314815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048131/manifest.json
observed 3460b476576a2f1cce21bc26ac123379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.296036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048131/publication.md
observed 680b43e7da9397baad56da53c3c9b1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.277517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048131/publication.txt
observed f3058cff776ca53bdc8d588425530e9b...
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.