OpenTechnical

OT-2026-000013450

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000013450) never changes.

Identity and time

Publication numberOT-2026-000013450 · never reused
Internal UUID01a0ae6d-6fca-719c-b6b0-25d187534e27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013450
StatusPUBLIC

Content hashes

Canonical texte4ac2f1b42425c0ae5edf0f083f33adaa4cac6a20f04ef883a4b326220626658
Markdown42a772f80b56f486232374cd74b8a9e8fd02b0bc9917cd5cd106d8c84425af3a
PDF
Publication page979b36e0d64cb4ad5b442c3a9782b0f86aeaafcb5fd00c69569f8492f0f89355
Manifest745eaf6b9598d39840d7445b29d3bdb4a47241409f49499e8b89356b2ecc499a

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
Signatureh6z1mNxhD8MH2TIlzAv/xTF/JxCI7JcYL19TpB0xsFYpt8X7YFfEYI34PlAPpUGnkAz9oUu3mlGcqg22BzYMDA==
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

2026-09-17T12:09:56.528087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013450
observed 979b36e0d64cb4ad5b442c3a9782b0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.508927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013450/manifest.json
observed 745eaf6b9598d39840d7445b29d3bdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.488464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013450/publication.md
observed 42a772f80b56f486232374cd74b8a9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.468689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013450/publication.txt
observed e4ac2f1b42425c0ae5edf0f083f33ada...
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.