OpenTechnical

OT-2026-000029037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000029037) never changes.

Identity and time

Publication numberOT-2026-000029037 · never reused
Internal UUID01a0ae73-2a9f-7b4b-8272-8748df5b3122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029037
StatusPUBLIC

Content hashes

Canonical textfe327823a182fce9bef6b770328de53266d350746036ff298d5c1a86178eecd3
Markdown46ac2fbae41adccc8f7ee4eee2c056477e78e537770b29b1d20519af686d5550
PDF
Publication pagebfb681d8fdab94024bcbe0755146533599222b1efe84fa49c6943aaa3da632e2
Manifeste63e871d1ac6286467b19ea69ff7a929e89ed99cf48c91319f80d68a530af201

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
Signature1i1cUzYBYoLHclepwg0Q05LCmcA9cex7ed0ifjSNfXvCIelPimt513hHad+nP3ccPOAFH+q2ZgMHc+YgsWbkCA==
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

2026-09-17T08:20:38.964197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029037
observed bfb681d8fdab94024bcbe07551465335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.946918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029037/manifest.json
observed e63e871d1ac6286467b19ea69ff7a929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.930690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029037/publication.md
observed 46ac2fbae41adccc8f7ee4eee2c05647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:38.784090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029037/publication.txt
observed fe327823a182fce9bef6b770328de532...
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.