OpenTechnical

OT-2026-000043774

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off after set-down

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-2026-000043774) never changes.

Identity and time

Publication numberOT-2026-000043774 · never reused
Internal UUID01a0ae7b-d676-75dd-b232-3ae33f85bd4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043774
StatusPUBLIC

Content hashes

Canonical texte4497f2d4822e71423ac89851b082e6a02058f4d2f7e2721d464a0f9336324e6
Markdowna5be2842e3b5db18f828f6c37b5b3ee27881722a964dfddde3707829e4329019
PDF
Publication page7566e9ca2563233edfa19365cba84064c4796bfb2e43480b482c4115cb33115a
Manifest6903366e303d064dbbb485f5b26322317e49a0eab1df00a4aecd648e80994c70

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
SignatureHR5A5M3WgUjAkntsCSY40y/X1UMMFYFIkpl/oao2K1iffSA9HQmLgmZ+JsPvHzm6/cUBhH6HmOpdeYxK/kZdDg==
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

2026-09-17T11:12:03.845484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043774
observed 7566e9ca2563233edfa19365cba84064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.825248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043774/manifest.json
observed 6903366e303d064dbbb485f5b2632231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.805052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043774/publication.md
observed a5be2842e3b5db18f828f6c37b5b3ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.785641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043774/publication.txt
observed e4497f2d4822e71423ac89851b082e6a...
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.