OpenTechnical

OT-2026-000012393

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000012393) never changes.

Identity and time

Publication numberOT-2026-000012393 · never reused
Internal UUID01a0ae6d-39f6-7307-85af-86d9a234c4fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012393
StatusPUBLIC

Content hashes

Canonical text5c41e6e06e0f62d6d04957f899439762097f3ec729e45cb8022d4716d8b94c5a
Markdownc7673f9e9f06df6374a4b445790bfe9a56a2937510133160b6c9e39f99e14a3b
PDF
Publication page4f2441f6894247207d9610615c746c1554a5a41e6c6f6a1691ec2bfecf102b27
Manifest01e3923ffbe48bbb7fa8d22003285fa9f1007344a22647c02874f7f85ec57c6e

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
SignatureaSFMwiNVOwmymqmhScVSWkgdMh3CGOhva9RqtI3cFYio0SbQ5YRe7C42wCkjlXtMzcr+8DmDHUEXPOn470V+DQ==
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

2026-09-17T12:11:53.033991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012393
observed 4f2441f6894247207d9610615c746c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:53.014746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012393/manifest.json
observed 01e3923ffbe48bbb7fa8d22003285fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.993668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012393/publication.md
observed c7673f9e9f06df6374a4b445790bfe9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.975318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012393/publication.txt
observed 5c41e6e06e0f62d6d04957f899439762...
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.