OpenTechnical

OT-2026-000046412

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000046412) never changes.

Identity and time

Publication numberOT-2026-000046412 · never reused
Internal UUID01a0ae7e-57dc-7260-ad32-3e48b74dd20a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046412
StatusPUBLIC

Content hashes

Canonical textb682bef8ce353abf4edc98c3bbaef1dcfb5c924486ddf8b969f5b3c7c945d58d
Markdownd9f0650acba20c235e4a8e4dd8ff0603e830e04dfaaf684e677636c284cea2fb
PDF
Publication page76636492d727f0161c297d2b7cc01be54ece2ff4b91d033993d5dff39611dd22
Manifest0a60360a7835660dc3a9969558149c8743ad85407b460e773685536b6520821c

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
Signature4j+aB2qDF6BlNHe0JROWCiTb21GfWBHrFgUZXSk4E/TpvdNLRMK5Oymc8trEAJbpB7gTsA5H2TK9zJNZsw22DQ==
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

2026-09-17T11:08:25.350559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046412
observed 76636492d727f0161c297d2b7cc01be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.331171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046412/manifest.json
observed 0a60360a7835660dc3a9969558149c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.311717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046412/publication.md
observed d9f0650acba20c235e4a8e4dd8ff0603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:25.293138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046412/publication.txt
observed b682bef8ce353abf4edc98c3bbaef1dc...
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.