OpenTechnical

OT-2026-000081479

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000081479) never changes.

Identity and time

Publication numberOT-2026-000081479 · never reused
Internal UUID01a0ae96-f375-7b4d-ad8b-82f56fa0bc9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081479
StatusPUBLIC

Content hashes

Canonical text7852f5263d5fe7419256cc7308d5d3e2165eadb25b529ae91258fa66796d35c1
Markdown165c272e7de7282694c3b21c8854967721ccc4f29d21081ebbd00cf1f59a9af9
PDF
Publication page1f78702dbb9919b530d0536227e85df341b0148125b73493edcf0edc7d968c17
Manifestcdc85e4b45ad4e811ff7f19defc1be77104ba57ff4d4d930ae7c6a0ccc1b9704

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
SignatureVQMAWQjlBBsR7S1KqA9UxuTCl+m0OL6dY+S2TDUrafe1pLzND2RmL7m+GX2qiL8Tgg5L/mlWXSiaNWIFefrGBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:38.768934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081479
observed 1f78702dbb9919b530d0536227e85df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.751076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081479/manifest.json
observed cdc85e4b45ad4e811ff7f19defc1be77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.733484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081479/publication.md
observed 165c272e7de7282694c3b21c88549677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:38.716474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081479/publication.txt
observed 7852f5263d5fe7419256cc7308d5d3e2...
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.