OpenTechnical

OT-2026-000061834

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000061834) never changes.

Identity and time

Publication numberOT-2026-000061834 · never reused
Internal UUID01a0ae8b-b8ac-7b35-8dcb-ccbea10d8e5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061834
StatusPUBLIC

Content hashes

Canonical textdd1988c60341bc8b2b1346fa46555135d8e54bf6fc4a11420fb5b9bc74a232e3
Markdownb908ac7d656ad06c139734a4384d25df5172fd7fde514d787488604a4c82b02a
PDF
Publication page8557d0ed88c38b57807343fb4220833f355e740872443f86c6999c134246cad0
Manifest5e126f83e6f1bffca9e64e9519cb2e89d226bfdaa7b5d1f0d1d6859566801418

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
SignatureSJEZrYojRjnxlXNgGQDf8+yzh5AQ18Qz9wkJZ+i8qgyCKnqvlk41+UUZGatQ7pBNcpsIMUaQiXXqU8kCECD8Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:34.537734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061834
observed 8557d0ed88c38b57807343fb4220833f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.517840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061834/manifest.json
observed 5e126f83e6f1bffca9e64e9519cb2e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.499123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061834/publication.md
observed b908ac7d656ad06c139734a4384d25df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.476652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061834/publication.txt
observed dd1988c60341bc8b2b1346fa46555135...
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.