OpenTechnical

OT-2026-000098793

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000098793) never changes.

Identity and time

Publication numberOT-2026-000098793 · never reused
Internal UUID01a0aea2-42af-7c01-a0cc-e4a31e82fd85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098793
StatusPUBLIC

Content hashes

Canonical text118255a74d36c61a9e822804c2fbb0c23a323ee5414987f05a8c85caf575c92d
Markdown041f2f2476992218c9c25d930b53dbf423bca556b4fa6badeeb019596cff1a38
PDF
Publication paged3b2d0a97974dcd735c46aa70e386c41b65ecaa120e59422283e673c07df84b3
Manifest31fbe1e96619a95a6d72f3f055a5cb5cd7c91ac049d9fd7b6a0a53aa474d8e8b

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
SignaturelA82TwDgFh5h9p4UEhzBkuXoUXPHtO5mNUZDD158SkhxvQMcj9tLzsk0MvZ9mKcgSA5KqcOYS59oyNboBXYoDQ==
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

2026-09-17T09:31:07.245677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098793
observed d3b2d0a97974dcd735c46aa70e386c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.227198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098793/manifest.json
observed 31fbe1e96619a95a6d72f3f055a5cb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.209341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098793/publication.md
observed 041f2f2476992218c9c25d930b53dbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:07.191973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098793/publication.txt
observed 118255a74d36c61a9e822804c2fbb0c2...
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.