OpenTechnical

OT-2026-000067028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000067028) never changes.

Identity and time

Publication numberOT-2026-000067028 · never reused
Internal UUID01a0ae8f-14fe-7dec-a294-8c3ffb1e9fa4 · 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-2026-000067028
StatusPUBLIC

Content hashes

Canonical text7517e171364d300e5196b3adfa1f7b98473797fa24c2bc0f83ea272070afab41
Markdown2dd7df139d496a12752035f4b0cfcf67df6dff63379054030ee3eae06c9dff62
PDF
Publication page0167e0a17854982fdb5bae541b778a67569e48ca9be01fe65b3ed25753ce5ada
Manifestede3f8021403780e2414e82c06a8dfdfa954ecabba512de97ad31263beaf24b8

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
Signatureg4P+vOqQO+M+m4E54hYlNT9McDHbIBqtBXxzNqLMdPUtiWME+AZINgYoX9oGVuNHu/K62WoP5QLxWxZ2P/sTAQ==
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

2026-09-17T10:32:15.779952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067028
observed 0167e0a17854982fdb5bae541b778a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.751096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067028/manifest.json
observed ede3f8021403780e2414e82c06a8dfdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.733107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067028/publication.md
observed 2dd7df139d496a12752035f4b0cfcf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:15.714470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067028/publication.txt
observed 7517e171364d300e5196b3adfa1f7b98...
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.