OpenTechnical

OT-2026-000031043

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000031043) never changes.

Identity and time

Publication numberOT-2026-000031043 · never reused
Internal UUID01a0ae74-3fb7-7453-9a95-2679d7cf8673 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031043
StatusPUBLIC

Content hashes

Canonical textad29370d61516c0697d58042a550c6f4b979c4ca414cd6a030ccf1b08d597a1a
Markdownfaa1eee1b489551ca7a9fe43cb08ff7c9ab21e6bb96da01e3cc0ebcfd22c5629
PDF
Publication pagedfd2a58a4e1c1b04ae901fcb44964e6faf676a97675ad7387cf68a3bbd18bcd6
Manifest589838836c96222178024e438c60a9f6cae36afe5ec10650c4f9cd0c7d8da689

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
Signature5vQNGUSoM9/ItasmKG/SQuTbKcgyqwPWzDuDFZh5CsMequQDAwxIv68sQUjDcpzdV2UNurRHPFo9BantDAuyBw==
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

2026-09-17T11:40:08.635330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043
observed dfd2a58a4e1c1b04ae901fcb44964e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.616657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/manifest.json
observed 589838836c96222178024e438c60a9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.600573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/publication.md
observed faa1eee1b489551ca7a9fe43cb08ff7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.584330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/publication.txt
observed ad29370d61516c0697d58042a550c6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.486007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043
observed dfd2a58a4e1c1b04ae901fcb44964e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.468456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/manifest.json
observed 589838836c96222178024e438c60a9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.450473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/publication.md
observed faa1eee1b489551ca7a9fe43cb08ff7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.432374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031043/publication.txt
observed ad29370d61516c0697d58042a550c6f4...
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.