OpenTechnical

OT-2026-000087143

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000087143) never changes.

Identity and time

Publication numberOT-2026-000087143 · never reused
Internal UUID01a0ae9a-9f2e-78d3-8f6f-72ece16e9d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087143
StatusPUBLIC

Content hashes

Canonical texta1368065b121e415d87f37b4ed36358bc7ce3b350660333460cb04a6571fffc5
Markdownb60aff6058b4058acaccd347d687d90fdd3bbc58838298923247e741b783c3de
PDF
Publication page4e837cc3fefd6a8e535c78e45663b23a4d6d0512467668e972297182e3e34993
Manifest10d44b91326af11359a1eb81b8246f82ef4a01a7476a46520cb00cb8f19ed2d6

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
SignaturevFB06uEicZPlFdture6IGHaFozFRBIa66Idb9/hreGYlNA9pMhOacMEM87ianz3mgQNZu278hbwPI2Fu8XwSBw==
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

2026-09-17T09:51:24.473157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087143
observed 4e837cc3fefd6a8e535c78e45663b23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.457162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087143/manifest.json
observed 10d44b91326af11359a1eb81b8246f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.439886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087143/publication.md
observed b60aff6058b4058acaccd347d687d90f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.418221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087143/publication.txt
observed a1368065b121e415d87f37b4ed36358b...
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.