OpenTechnical

OT-2026-000030394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000030394) never changes.

Identity and time

Publication numberOT-2026-000030394 · never reused
Internal UUID01a0ae73-e503-7c57-be4a-a24eafda3dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030394
StatusPUBLIC

Content hashes

Canonical text2579c17c13daefb1b8fd69c2d6f75141dc46d43c81399fe92492a819e794855d
Markdown6f97ccad0b590269093181cc230e3e4cc99145d07c2a1ef921d1d2c3a90d8aea
PDF
Publication pageea328c88d00fb594401ea6c10264f875271ded26a03cbdd2ce93967e6c6d5e52
Manifest1868797e0472e856cae5fccfeb28663bac1e5c7e166c6158bd65d03e5e0a05de

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
Signaturefd0GqOpj0Rxqw+xnVjnuNvg9CjgMjNKetTnrsNnf1jCwya0LCggyR0zjJQfdmvSAESKh57LP8KDyoUvEvaf0Dw==
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

2026-09-17T11:38:07.317758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030394
observed ea328c88d00fb594401ea6c10264f875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.300670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030394/manifest.json
observed 1868797e0472e856cae5fccfeb28663b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.284499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030394/publication.md
observed 6f97ccad0b590269093181cc230e3e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:07.266819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030394/publication.txt
observed 2579c17c13daefb1b8fd69c2d6f75141...
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.