OpenTechnical

OT-2026-000099513

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000099513) never changes.

Identity and time

Publication numberOT-2026-000099513 · never reused
Internal UUID01a0aea2-c974-7b9a-b147-2fe5eb9186d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099513
StatusPUBLIC

Content hashes

Canonical text2bb1b96e1ef23801ef23f224c6e8cbc1048327343a9c54477f868e58f3bd160e
Markdown4f1767de4813c12cdd942f6c172149f81fbc343d696d4e081f2a9ee6f7266618
PDF
Publication page8b8600893f11472100c6af45d5402ac25a122121f92ab85f78fa6cb4378b7b64
Manifest985f496ae1dc31e8fe9217e87b607973883ef42dae137acbf5f1556d64a4825e

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
SignaturePIXIHXXk3LBd2uSd0ImdVKEbCOgtUeC8Xi4lrLfFA8727gehO7ZBIOiUAFnqvTDuNz/ZDwdjC7HlG/3LIMFvBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:24.554136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099513
observed 8b8600893f11472100c6af45d5402ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.535206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099513/manifest.json
observed 985f496ae1dc31e8fe9217e87b607973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.519896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099513/publication.md
observed 4f1767de4813c12cdd942f6c172149f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.501885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099513/publication.txt
observed 2bb1b96e1ef23801ef23f224c6e8cbc1...
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.