OpenTechnical

OT-2026-000017868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000017868) never changes.

Identity and time

Publication numberOT-2026-000017868 · never reused
Internal UUID01a0ae6e-96fb-743c-8f39-d994e4e33afc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017868
StatusPUBLIC

Content hashes

Canonical textc0a3d6d2e8f7d810a2f4b289bad13d89cbfc406fc32ae828c3a5091e363e6eaa
Markdown0a12aa0d2fe030ad8f42529908a6e99e055f965c8fdaee04e45a0ca6f9cf89c9
PDF
Publication page330392e284bcfb8555b3b6b53a4d1488f217280953dbd437f41d121d7a37501b
Manifest9a4293f2dc70b38deb345ebef65be40044cec74547ea988e27b3aeb93cf0b6da

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
SignaturetzBtGvszEjm6HaLBxbGD7MEQNMFILhGCDXw13LQPREzdFCr5/BUtYDpDvP5scxzGBSLKo31/eYGcfCVEdtgLAQ==
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

2026-09-17T12:01:51.193966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017868
observed 330392e284bcfb8555b3b6b53a4d1488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.177162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017868/manifest.json
observed 9a4293f2dc70b38deb345ebef65be400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.160700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017868/publication.md
observed 0a12aa0d2fe030ad8f42529908a6e99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.143957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017868/publication.txt
observed c0a3d6d2e8f7d810a2f4b289bad13d89...
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.