OpenTechnical

OT-2026-000029580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000029580) never changes.

Identity and time

Publication numberOT-2026-000029580 · never reused
Internal UUID01a0ae73-5e22-7f19-a83a-c0493379f89b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029580
StatusPUBLIC

Content hashes

Canonical text999c8a7981f2468d5c44d2eadf31a1abc30faba440f9163c67cfff7b61ce9105
Markdown5dc6a7795c162f6358a790745b6bd262bb66f5532aa77ac440453f9d242274fb
PDF
Publication page5171b567b1f1d8e098c6594869883a20c4adb01232a3049fe40995edb26f11f2
Manifest0bbe0e54e0f4a6b8cfabf1cd96e9228ddfe73425bc2fc71664c8c980548d0e9b

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
Signatureq3oLx2xjjeKk/2Ea5la8En3VW9Oq2D6LPO9qx9/H3MkRBXIH6phJkrvtnQaX2BiOMkjlOjAfJYnAdL/tjVtJAA==
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

2026-09-17T11:39:16.565831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029580
observed 5171b567b1f1d8e098c6594869883a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.549298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029580/manifest.json
observed 0bbe0e54e0f4a6b8cfabf1cd96e9228d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.531721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029580/publication.md
observed 5dc6a7795c162f6358a790745b6bd262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.513025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029580/publication.txt
observed 999c8a7981f2468d5c44d2eadf31a1ab...
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.