OpenTechnical

OT-2026-000018437

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018437) never changes.

Identity and time

Publication numberOT-2026-000018437 · never reused
Internal UUID01a0ae6e-b48a-7e10-bc8f-1af5dd70da17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018437
StatusPUBLIC

Content hashes

Canonical textb112e96685ffdd726992cf1d2752b9d17a9e33b88cf6e57da2a418c0cd1b3c19
Markdowndcc92562b0a4c5d179aeaea54c911e4534f67ac2a867628cc1d0558ca61a1c08
PDF
Publication page435701cf55caee90c45e3b7e09965e507872540f0a51111768cf1109f2fb272b
Manifestcc76849aa50c482515e95a38828de7b121d7433cd6f9f4118c60d01f096175c7

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
SignatureKtguNentvn+bGHniZfhSDOAYFp61uTBWsQ0VPEXEQ/0hDsxKcqt80uVrmsWxJNXcksAk875IGZewxQqpV+1oCw==
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

2026-09-17T12:01:11.419206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018437
observed 435701cf55caee90c45e3b7e09965e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.400058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018437/manifest.json
observed cc76849aa50c482515e95a38828de7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.381553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018437/publication.md
observed dcc92562b0a4c5d179aeaea54c911e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.362909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018437/publication.txt
observed b112e96685ffdd726992cf1d2752b9d1...
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.