OpenTechnical

OT-2026-000033375

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000033375) never changes.

Identity and time

Publication numberOT-2026-000033375 · never reused
Internal UUID01a0ae75-8980-7b5a-9558-9757046ea24c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033375
StatusPUBLIC

Content hashes

Canonical text2343653dd8edc6f200fa064675683bc4d369e28d70361c1ef2231e35a984597d
Markdown1738c9eb286ef80e505e1f9b23aa344a551b301b1c42caaaf3e9f4242ef74ed2
PDF
Publication page63cd192cc04b70d52dbb1aa81dd4f460f7f770d6e9a51b828f2e9097b8a11a0d
Manifest64cb24bd6b2d97f08c440bf2462783a71e54dc5d9f574f8ae0ed1a320a6b7ee6

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
Signature7Ab7cYfQgDiw0s/KvZQJAhWhxZBnpofFfAe3MArrADS5uCT+kZoJY28iQ0oX9oXPFjFiKxjcG6VJbVEWfR5EAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:08.746443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033375
observed 63cd192cc04b70d52dbb1aa81dd4f460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.728227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033375/manifest.json
observed 64cb24bd6b2d97f08c440bf2462783a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.708993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033375/publication.md
observed 1738c9eb286ef80e505e1f9b23aa344a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:08.688384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033375/publication.txt
observed 2343653dd8edc6f200fa064675683bc4...
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.