OpenTechnical

OT-2026-000015174

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015174) never changes.

Identity and time

Publication numberOT-2026-000015174 · never reused
Internal UUID01a0ae6d-ef47-7e0f-a203-0b461999c80c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015174
StatusPUBLIC

Content hashes

Canonical text014bb86ea91986b8ee02512c292fefec40b5a362e8df95d7759a8d81f6f4c54c
Markdown1d309643b4341211d5353274df2364aca6f0274c6dc3a23d04957e96d548ab55
PDF
Publication page46c121c45301777e1d25313f976a400744b60ab074d1a4c7a1df3c46bb578515
Manifestc7ccd5548846bd94fcc72da1443021d564a21be1ffd27fbdc703ae1447890ad0

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
SignatureGDGd3QTaw2HJBc+uPi7EHaNnD/nZDehFgn82WYDEvdwdiQVmB1GO65CaA/mUmzcRbpsDnrSvi77DmRkzm70fDg==
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

2026-09-17T12:05:47.674282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015174
observed 46c121c45301777e1d25313f976a4007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.656139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015174/manifest.json
observed c7ccd5548846bd94fcc72da1443021d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.638102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015174/publication.md
observed 1d309643b4341211d5353274df2364ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.618798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015174/publication.txt
observed 014bb86ea91986b8ee02512c292fefec...
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.