OpenTechnical

OT-2026-000033106

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033106) never changes.

Identity and time

Publication numberOT-2026-000033106 · never reused
Internal UUID01a0ae75-4844-77e1-9262-8ef7f692b18c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033106
StatusPUBLIC

Content hashes

Canonical text859c50a29cc2341df949ce419e33d108d946907d73e4f35a5514dfbc5c10934d
Markdown676415d16272dec385df48924532ab2b9cb2d16867e4f1d845426966fcb8c9d9
PDF
Publication page201a041570f0562754418f8a2d83c59b3768b1fb6f6e953de102a53a1b9bc142
Manifest8eb3b64a083798d979a03630b94e691d1b9aa444c4e613f012b3b58807e0d355

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
SignatureRBlsWI5F2wj5N2ekwJBgYEJBRsVQd97z019YUhXekNvlt4QRbmWBeB5rdfa5HcoIjc9LNOs9jUrlJuanHJ3ZCw==
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

2026-09-17T11:32:45.563643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033106
observed 201a041570f0562754418f8a2d83c59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.548169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033106/manifest.json
observed 8eb3b64a083798d979a03630b94e691d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.532175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033106/publication.md
observed 676415d16272dec385df48924532ab2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.515727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033106/publication.txt
observed 859c50a29cc2341df949ce419e33d108...
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.