OpenTechnical

OT-2026-000023802

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000023802) never changes.

Identity and time

Publication numberOT-2026-000023802 · never reused
Internal UUID01a0ae70-aed5-795b-baab-997a55fb4e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023802
StatusPUBLIC

Content hashes

Canonical text7a091cd286b7c780abdf3c4d13baddf18fa3770755687a450311b960c9a3a36d
Markdowned5afef6dbb039873960aea980785e10d41b684abf57137e40f3b7fa571b9262
PDF
Publication page08406182e50b5e68fe189bb9c604ec2df3a10c68f283da46d74696ca2445ea3c
Manifest18b688aa006307762b175824e22f46638052cffe48724d692cfc2c372ec222da

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
Signaturer4OETfJNRwIa6ILtar9gYTiQYPW6WY4MvBpsnakGR2MqcHcsmkT2tVWof4J38+TTxEJsZPEGKFnBnZ69/fncDQ==
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

2026-09-17T11:50:16.830072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023802
observed 08406182e50b5e68fe189bb9c604ec2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.811427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023802/manifest.json
observed 18b688aa006307762b175824e22f4663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.793729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023802/publication.md
observed ed5afef6dbb039873960aea980785e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.778786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023802/publication.txt
observed 7a091cd286b7c780abdf3c4d13baddf1...
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.