OpenTechnical

OT-2026-000012208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000012208) never changes.

Identity and time

Publication numberOT-2026-000012208 · never reused
Internal UUID01a0ae6d-39f5-7197-8099-9f938a50a324 · 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-2026-000012208
StatusPUBLIC

Content hashes

Canonical text7eb10ba349c28781a4670bd806f51be81b3e393667da4505293c855f4a0852c6
Markdown72f0314c08d6af90243649a4695405b73953d21692ea25d428a27985004f18b8
PDF
Publication page50520f12ba5d8f558e43baa4c99b794d77130dbcb279fcfe5a402c8d8a2affba
Manifest13f702bb5cd24bdf2a4b512328948bad6ed38af5d1aa30d601caf24a9a4f2781

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
SignaturehUPK1oF94w72JfAGBjViWjiWrkvJ2LxoqsZbHV5AHRB7f86sO83w+a7XUypl60/aeeFiQmNL45LZiSSKH04lBQ==
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

2026-09-17T12:11:07.315787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012208
observed 50520f12ba5d8f558e43baa4c99b794d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.295394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012208/manifest.json
observed 13f702bb5cd24bdf2a4b512328948bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.274582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012208/publication.md
observed 72f0314c08d6af90243649a4695405b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.246354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012208/publication.txt
observed 7eb10ba349c28781a4670bd806f51be8...
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.