OpenTechnical

OT-2026-000015003

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000015003) never changes.

Identity and time

Publication numberOT-2026-000015003 · never reused
Internal UUID01a0ae6d-d096-7b9d-9b6c-2c48c1e82e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015003
StatusPUBLIC

Content hashes

Canonical textb53af82afce272a5d34f1875598cd184d9530e8919a0590106e927db28c4ca65
Markdown6de0fdc25dce85ddab98d1ac1fba0b403ed5e8a048eb6a1a41a421f0e5df4908
PDF
Publication page1fe3f9a8768f1c53caacce5e2d85c7f1cea13b4c1e4f736ecac27df131168096
Manifestcac699b92c7b08fb7fa91698262c2dcfa58484bbb926daaa899480df1914e89b

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
Signaturea14tWnxNIVKqXmz9OU+I0yAgJuFwJGJovS5O2UgzZG5oJB1dv0uTTIWGuuKqGHCJIaH0YeFjnTdQsw//d828CA==
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

2026-09-17T12:06:58.228421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015003
observed 1fe3f9a8768f1c53caacce5e2d85c7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.207390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015003/manifest.json
observed cac699b92c7b08fb7fa91698262c2dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.188221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015003/publication.md
observed 6de0fdc25dce85ddab98d1ac1fba0b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.170024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015003/publication.txt
observed b53af82afce272a5d34f1875598cd184...
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.