OpenTechnical

OT-2026-000041784

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041784) never changes.

Identity and time

Publication numberOT-2026-000041784 · never reused
Internal UUID01a0ae79-e8a3-70ae-a3b6-ae8fbcba1374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041784
StatusPUBLIC

Content hashes

Canonical text0a8d7c1fcf01b6368cdc9ef708e5d334cf7ab4495b2f52fdb1a0201c1e3610f8
Markdown710b6fdb1157dff9ae8d81d0ede3ea53026c9105c54ad43313a0d4fff03a2f45
PDF
Publication pagefba9c7ade9130754afe342f3b85e085880dabe60b02d7b09fbc6584f621788d1
Manifest84d8bb8a0f2a823a777268442eb104e2d97b5457db337881990ec94caf2e658f

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
SignaturepiW1yY3Nfj3tp/thvzs0z5CB7m3UVBsaSOzeWmfWtmk9P3G+Osb6z9uVyb4JA9a70a75kv4PgR0S0K89ZV0RBA==
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

2026-09-17T11:16:38.192149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041784
observed fba9c7ade9130754afe342f3b85e0858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.173555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041784/manifest.json
observed 84d8bb8a0f2a823a777268442eb104e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.154807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041784/publication.md
observed 710b6fdb1157dff9ae8d81d0ede3ea53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.137484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041784/publication.txt
observed 0a8d7c1fcf01b6368cdc9ef708e5d334...
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.