OpenTechnical

OT-2026-000084819

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000084819) never changes.

Identity and time

Publication numberOT-2026-000084819 · never reused
Internal UUID01a0ae99-43b3-77e8-8559-a02b37de7900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084819
StatusPUBLIC

Content hashes

Canonical textcb6eac86c857f6ce06d679373c4b2a34966b88df824a123fd017086dafed730e
Markdown9deaa033306733148d36109b910f0c0ca3725cd00e877dc3936f28c6bd0dea0d
PDF
Publication page120fe3d8ab3b5ad813af4b8dd6fdb20bff7ee4bd0450c9ed74f4c511d8c51713
Manifest013d16b8ae93b1f2af2748684ada97a4f22551cb9cd4bd3a7516604370458e8c

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
SignaturexaACONhZaRumz3KephC5VSDIpaoQpS8QF6glIw95ljdNemlQEbu46XPUbI4qgYW1bI4IbBI5oM5UQKKUger1AQ==
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

2026-09-17T09:54:46.025638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084819
observed 120fe3d8ab3b5ad813af4b8dd6fdb20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:46.008428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084819/manifest.json
observed 013d16b8ae93b1f2af2748684ada97a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.991469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084819/publication.md
observed 9deaa033306733148d36109b910f0c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:45.973233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084819/publication.txt
observed cb6eac86c857f6ce06d679373c4b2a34...
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.