OpenTechnical

OT-2026-000071142

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071142) never changes.

Identity and time

Publication numberOT-2026-000071142 · never reused
Internal UUID01a0ae91-e0eb-7aeb-a138-1fdb8f5f4caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071142
StatusPUBLIC

Content hashes

Canonical textf2aa577582abbfea00d06f691dcb69791b6a0546c05f960399602bd616cbf59d
Markdown2906ee66caff49fe2a6ae9e43be32dad7ec6eedf2ac9cc4433557f011f5f8872
PDF
Publication pagedb6dfbf94ea23c90f5e6ebbbd4cbbda286066ff875ecca0ea906056d0937a3b2
Manifestdd6cb3cd7d650c1d23218a6a47a98d7a95a7657ada8a89c1d8782db476f83b3c

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
Signature4EG4xdkgrAXJ6OkCEMaa5iwpaY5kNigk/Oglec9tO15TG+Q5rViRrXWUJygkUTpvKP3xWmrIW8MgT4I6MoU4Cg==
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

2026-09-17T10:24:38.752451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071142
observed db6dfbf94ea23c90f5e6ebbbd4cbbda2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.734573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071142/manifest.json
observed dd6cb3cd7d650c1d23218a6a47a98d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.716107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071142/publication.md
observed 2906ee66caff49fe2a6ae9e43be32dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.699021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071142/publication.txt
observed f2aa577582abbfea00d06f691dcb6979...
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.