OpenTechnical

OT-2026-000067132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067132) never changes.

Identity and time

Publication numberOT-2026-000067132 · never reused
Internal UUID01a0ae8f-14ff-7889-8074-33248078362a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067132
StatusPUBLIC

Content hashes

Canonical textebe100a54661d57076b2eff3ea87a84e2151156c48c1f480cbb5fe37c6168939
Markdownb3f331d1c39e3f1924a0ad5183092965c4fb0f4272f908cd86123e14328bb24d
PDF
Publication pageb17d06a15c5c548b53dedf73aeb0eba9d1eef5087138d482ed20ad50ca7ec3e6
Manifest9d8845df21611b557252028f8351d91c6c143587ba2f22527240a7f7fe6cf494

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
SignatureMRDMNj6Tez0F75M6zW6rYJ/Tcs/uWWmAsB+MZiZzE7Ol96azsmXv6qs3nULS54aBA+JC9EFFhqdHj2t4UiokBg==
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

2026-09-17T10:32:24.361978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067132
observed b17d06a15c5c548b53dedf73aeb0eba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.343192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067132/manifest.json
observed 9d8845df21611b557252028f8351d91c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.323557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067132/publication.md
observed b3f331d1c39e3f1924a0ad5183092965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.306348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067132/publication.txt
observed ebe100a54661d57076b2eff3ea87a84e...
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.