OpenTechnical

OT-2026-000012611

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000012611) never changes.

Identity and time

Publication numberOT-2026-000012611 · never reused
Internal UUID01a0ae6d-5561-7490-af96-d2db999a3d8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012611
StatusPUBLIC

Content hashes

Canonical text476ac46fcf812741a8c4486e196c058c538d147cbe2725d3f4468f9a5a390875
Markdownbe7cf01aedf6dee39ec97f8f7cbce9069a07152ff9e29d794cf850a7b2713977
PDF
Publication page38fa55f17d99c378f9559f42f4ead4c54d58bec6a72f0267b6076d002b40f88d
Manifestc195c6844487fc424020100bba72386ece0fcdf5f41efec9ad3d5aad0d87a5ad

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
Signaturevw/pn66a9F5IQ6P5KPcQPAJzXi4gln3TK6iK30Dnrbu5SWiIY6FCM24fi4ZOgZgIXBdUF4BpAbkXXoveqZWwAQ==
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

2026-09-17T12:10:12.467678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012611
observed 38fa55f17d99c378f9559f42f4ead4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.450722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012611/manifest.json
observed c195c6844487fc424020100bba72386e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.432519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012611/publication.md
observed be7cf01aedf6dee39ec97f8f7cbce906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.413363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012611/publication.txt
observed 476ac46fcf812741a8c4486e196c058c...
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.