OpenTechnical

OT-2026-000030516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000030516) never changes.

Identity and time

Publication numberOT-2026-000030516 · never reused
Internal UUID01a0ae73-e504-7cf2-ba70-ae8bd4a08867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030516
StatusPUBLIC

Content hashes

Canonical text905a70ab1bfa3e3f72a64dec3332caa20ff09b61689a7a63cf5c6f37040f1705
Markdown755d90e3ab0c882bd230fe2fe16020c4455f1d12af4d25ab25e12f04d4e935a4
PDF
Publication pagec284664cf921e7177412fea86021002a929c22a4274b316c19e7b5a2af471685
Manifest4b7952e9fed571088e49c32684972b75c765073daf731d2c4b90f5cbe01dbf81

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
SignaturehL7aXUbPKB+VIHrgg7i2WMeLOECmnd6qsNKQvptsQO1h3Qh51c2U/tTRIydTskfxpLIffnF+Rf1fUpkWSNl2Bg==
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

2026-09-17T11:38:22.775382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030516
observed c284664cf921e7177412fea86021002a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.754458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030516/manifest.json
observed 4b7952e9fed571088e49c32684972b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.736888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030516/publication.md
observed 755d90e3ab0c882bd230fe2fe16020c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.719367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030516/publication.txt
observed 905a70ab1bfa3e3f72a64dec3332caa2...
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.