OpenTechnical

OT-2026-000015391

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000015391) never changes.

Identity and time

Publication numberOT-2026-000015391 · never reused
Internal UUID01a0ae6d-ef49-7641-815a-a78695b19630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015391
StatusPUBLIC

Content hashes

Canonical text180ae92c1d4beebc13349e9dc06bf584e8da5958543cad0f6a82b11dd541cab6
Markdown70bcab4198567506240306fac082b8ea8803fe1f1d69ef317153605ef4c1e287
PDF
Publication page54dc663531ae9c0939a9762c32cf52017fdb9f729b26dec2420bfdfe0e4cf73d
Manifest6889597dfc86839cfb73c43632d87b8d8e2711acaee100a2e823ef80f5a47bc9

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
SignaturekWSOEgtO2pQpdRBdGJ7/65UsThf0ovajh0v/MoeivDnj8ZZ3cTWn2zinYG8+Qev3BR2z/RY7VeVJ9+NBYwnpAQ==
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

2026-09-17T12:06:06.713696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015391
observed 54dc663531ae9c0939a9762c32cf5201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.694766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015391/manifest.json
observed 6889597dfc86839cfb73c43632d87b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.676309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015391/publication.md
observed 70bcab4198567506240306fac082b8ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.656045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015391/publication.txt
observed 180ae92c1d4beebc13349e9dc06bf584...
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.