OpenTechnical

OT-2026-000063473

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000063473) never changes.

Identity and time

Publication numberOT-2026-000063473 · never reused
Internal UUID01a0ae8c-f944-7363-a3f4-4c0679672f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063473
StatusPUBLIC

Content hashes

Canonical texta32a6ac2c0978f646b5816b2393b6cba135cb23a1d81d372e3f05bb0c7e74155
Markdown78ea32fe90fe7945f98b80c4a26231e7cb43dcc10fc585aac1429899b7b60bf5
PDF
Publication page91a41200fe37c4c09a29a72023b354a47cf58ec799e89afc54fc3c3f24a26971
Manifest9dc9057a68e1835cc2cb385f42e3c87d1b2b5d15c777c7d17157f9badc83a402

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
SignatureOdvgUpKJGDPOuDP4zqdoObTLWcEJ/l8Wye5Tzbf+JhnvqWPlRYkFRCuIvCd+RvtiErEsQWXZ+gO/dnDQ+ne6Cw==
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

2026-09-17T10:37:26.572629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063473
observed 91a41200fe37c4c09a29a72023b354a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.551067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063473/manifest.json
observed 9dc9057a68e1835cc2cb385f42e3c87d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.531778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063473/publication.md
observed 78ea32fe90fe7945f98b80c4a26231e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.512003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063473/publication.txt
observed a32a6ac2c0978f646b5816b2393b6cba...
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.