OpenTechnical

OT-2026-000029176

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000029176) never changes.

Identity and time

Publication numberOT-2026-000029176 · never reused
Internal UUID01a0ae73-2aa0-72bd-9d00-642c8eeb064d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029176
StatusPUBLIC

Content hashes

Canonical text8a0c7593a336baca71244a32d366348c32402a5b2a8523391fd4599c1cc1f9ea
Markdown38c34eda3f53de7d6c9ea11d141c5736ae271bb3f0114ace5bfada9712ddc400
PDF
Publication page4649af1fbb8998c7a31b75becf5cb884918481242cb321e19eac8f4dd53afef2
Manifest1c4072c44ac953c52e8772fbcf5cd68b76ea0d9947e53a26ba5d4cb96aaf8b62

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
SignatureZ2mLLdgCmD+iVZ9sZi60Lkkije6mlu0ZscpiFy2Q17321f3zHMgojA+ibmorVtHt1bnsv2D6lsoerOE7pxyLCA==
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

2026-09-17T11:39:40.133429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029176
observed 4649af1fbb8998c7a31b75becf5cb884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.116519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029176/manifest.json
observed 1c4072c44ac953c52e8772fbcf5cd68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.098077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029176/publication.md
observed 38c34eda3f53de7d6c9ea11d141c5736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.080945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029176/publication.txt
observed 8a0c7593a336baca71244a32d366348c...
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.