OpenTechnical

OT-2026-000034628

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000034628) never changes.

Identity and time

Publication numberOT-2026-000034628 · never reused
Internal UUID01a0ae76-1ed1-7afd-ab00-fc016295c295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034628
StatusPUBLIC

Content hashes

Canonical text92d716aa31adb01ea3cbc9be738140da6c1c5199f558300b42556106e6cbc413
Markdown3a3c47bd30f3a961e9094a5c5f210a0b0b0f85c7b0e1e1d682cd618ab9c4ab0a
PDF
Publication page4362305703a826a037d4f8f14d915db787eb26557b83c70664e1c5cbaf7945ba
Manifest48547c0a78a7a145768de7d7a4b64b4d12bf06c99d94d162dc3bc3199e1e38b4

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
SignatureMkYO+GgQV55OY438QyWm/rv+DKplRVpQOn3OckqpaygSPuwTHCON2XFXZizdApgYV8MFlZTDzyyiyNNiO5/1CA==
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

2026-09-17T11:29:00.837984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034628
observed 4362305703a826a037d4f8f14d915db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.821304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034628/manifest.json
observed 48547c0a78a7a145768de7d7a4b64b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.804994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034628/publication.md
observed 3a3c47bd30f3a961e9094a5c5f210a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:00.786609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034628/publication.txt
observed 92d716aa31adb01ea3cbc9be738140da...
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.