OpenTechnical

OT-2026-000029809

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029809) never changes.

Identity and time

Publication numberOT-2026-000029809 · never reused
Internal UUID01a0ae73-5e24-7e67-8844-947d9edaa5ea · 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-2026-000029809
StatusPUBLIC

Content hashes

Canonical text581a1c2df25a5d06dc1af7705fb4f0067d6c165ae3edeaa5ebc513a086599794
Markdown42ad9fc569b16d24d74ca363ed4776fccdec2102bfda5973343442d4e6f1b3e6
PDF
Publication page5c6af88c36dfa796d13b0944979faec8e125b266aee0803f3926ba22b4d73bd2
Manifest9e52b119b8aea2b33d692a49bd2051efe152b06a5fde4c46e8be7ac2ddf2e4f3

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
SignatureoqzBZmkDZ43u5S/CbEfva22/rSGLvJPjX60kijvWBMCgBF3psP62hfNu7DuTN6jmVar7rWulFG/0CCjYd72sAg==
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

2026-09-17T11:39:34.840773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029809
observed 5c6af88c36dfa796d13b0944979faec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.821167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029809/manifest.json
observed 9e52b119b8aea2b33d692a49bd2051ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.803455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029809/publication.md
observed 42ad9fc569b16d24d74ca363ed4776fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.783940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029809/publication.txt
observed 581a1c2df25a5d06dc1af7705fb4f006...
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.