OpenTechnical

OT-2026-000026547

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed 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-2026-000026547) never changes.

Identity and time

Publication numberOT-2026-000026547 · never reused
Internal UUID01a0ae71-f4a9-7dd2-a406-39f32b3094df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026547
StatusPUBLIC

Content hashes

Canonical text2c33b3463816c01530681375e17ad90fa4466bbc517a33103446ff91a54aa582
Markdown869e62ff5de95ea3b417878a79bb2f4a39e1f4c3a5b1d50c6a5311fa5e8beda8
PDF
Publication page4aee76d6dc81a27775c64ebd4ac3e13ea3a02be4c42609b652b7ae5884c902ac
Manifest81a506f0456a42c968c7896f87920150e2f58a490861c3afa0f16959ba08c13c

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
Signaturehd+XL/dtL5j8uUOxTZy1sNrTi5vfBPAiuzyQ8i9ne1ZtLb6NFymCWa1po7nGuZprR/0OwGm9qG2CUi0nx0hVAQ==
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

2026-09-17T11:44:40.573958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026547
observed 4aee76d6dc81a27775c64ebd4ac3e13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.556388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026547/manifest.json
observed 81a506f0456a42c968c7896f87920150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.536142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026547/publication.md
observed 869e62ff5de95ea3b417878a79bb2f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.519927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026547/publication.txt
observed 2c33b3463816c01530681375e17ad90f...
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.