OpenTechnical

OT-2026-000049743

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049743) never changes.

Identity and time

Publication numberOT-2026-000049743 · never reused
Internal UUID01a0ae81-8fef-7615-b810-de2b573baf39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049743
StatusPUBLIC

Content hashes

Canonical text06fa1d1ef1e4a147760a44a56749b821108886c4cf07627db348036ca85c3a7d
Markdown90fff70a7a0d10b501353caa2c486f6abe8b0ce1eb957a531a432fd8e1b689ec
PDF
Publication paged67fda4c9bd9b9ac9ecd9d1de73a0bfc735fb63bb7227f16729072a655e82fdb
Manifest7c57533134f0d123cc7b4961ed82bdecdf7b6e9428926d0b13998cedf0da8dfc

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
SignatureruOkrpfD0apZbGKGzmCKZ+DTg375RcT0xZYVP3pwL2qUL/DIRCCzqcjUxs4B8d2k02IC71QcPc3ffyQnS1jjBg==
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

2026-09-17T11:02:46.237688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049743
observed d67fda4c9bd9b9ac9ecd9d1de73a0bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.215669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049743/manifest.json
observed 7c57533134f0d123cc7b4961ed82bdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.195261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049743/publication.md
observed 90fff70a7a0d10b501353caa2c486f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.174650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049743/publication.txt
observed 06fa1d1ef1e4a147760a44a56749b821...
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.