OpenTechnical

OT-2026-000007750

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000007750) never changes.

Identity and time

Publication numberOT-2026-000007750 · never reused
Internal UUID01a0ae62-843f-71da-82d7-093e60eabdc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007750
StatusPUBLIC

Content hashes

Canonical text7e1a42ecce9b289ef7cbacc4cff12909af0e6cf96be432b469dde39c167d520c
Markdown65b0acff0b544afdfffd43f715ff8d75f0b0615ada65c1ba13abc2c81e029130
PDF
Publication paged787fa420d18be18ec01248f16437e4c68910b48963dc55f28dd7e9adfd8930e
Manifest4fed89e93fdc1fb8f9051fa144191444b7f5ede1845d770836c2f5b4855852d4

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
SignaturecQ5OLTPcGr7lxwoVoE1eO5OxNXQlBhFuCXEB6sXZUjL1DtmurjaYkpqI7sfonhCBeqRA5UAcwHXkPiztPkLmBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.807576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007750
observed d787fa420d18be18ec01248f16437e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.788253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007750/manifest.json
observed 4fed89e93fdc1fb8f9051fa144191444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.768968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007750/publication.md
observed 65b0acff0b544afdfffd43f715ff8d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.751591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007750/publication.txt
observed 7e1a42ecce9b289ef7cbacc4cff12909...
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.