OpenTechnical

OT-2026-000071708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000071708) never changes.

Identity and time

Publication numberOT-2026-000071708 · never reused
Internal UUID01a0ae92-1e91-7010-8295-0a23158c32de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071708
StatusPUBLIC

Content hashes

Canonical text2d200e2411a38761d5ab81927b56c2dc7f6b0e6b4559e6661c24dfb6a4d1de68
Markdown87c60b22a46ed369496029d25e1303e98da58d2262f1cc9710cc077a051c061d
PDF
Publication page0baa7bf6c6c8d80a62a1047d724aa21c9b173d4dfe5c40d0bdeaa6cab0e37ebf
Manifest9601cc7119125a266f93a118dd2a215eaca5d08bded5b316f093b9041b81bee3

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
SignaturepdWadv66Qc/+2kvqqjvkt2D9XzUp2aXRcpgqcx45GxLIu2Qc7Y5xJ4M0UvWfgZLwq5Kf0A/FJbC+nMOebk+2Dg==
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

2026-09-17T10:23:46.724041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071708
observed 0baa7bf6c6c8d80a62a1047d724aa21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.699019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071708/manifest.json
observed 9601cc7119125a266f93a118dd2a215e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.674069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071708/publication.md
observed 87c60b22a46ed369496029d25e1303e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:46.648948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071708/publication.txt
observed 2d200e2411a38761d5ab81927b56c2dc...
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.