OpenTechnical

OT-2026-000068949

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000068949) never changes.

Identity and time

Publication numberOT-2026-000068949 · never reused
Internal UUID01a0ae90-6dcd-70e6-89cc-29b16fa99641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068949
StatusPUBLIC

Content hashes

Canonical textae3a282fe561a4a2cc660b5a4aab462d37833b818dacc14fe35caf65ca08c3dc
Markdown246ad2838604b8c55c12f9ea64fbb063bcf925ca3cc40cd0a0847f25d0f21bb6
PDF
Publication pageb8003a8644de00a2585a3dd09bfbc2b2a5ea8211328f4081a5550fc71a628d15
Manifestec6e4e692f5a99af4e2cdc71d97a2b77bd2ae252c5ed117f5ee2dad5ba750bda

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
SignatureBqi/YqmINb3nZOpAQXPX0wbfGuk7JOBp4Uy8t6qhOJPJ9YmhC6CJiOH887CNpsvOGdCoMbVHnagvEIwgDcojBA==
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

2026-09-17T10:28:47.126477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068949
observed b8003a8644de00a2585a3dd09bfbc2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.109437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068949/manifest.json
observed ec6e4e692f5a99af4e2cdc71d97a2b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.092051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068949/publication.md
observed 246ad2838604b8c55c12f9ea64fbb063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.074709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068949/publication.txt
observed ae3a282fe561a4a2cc660b5a4aab462d...
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.